Biodata

Feature Details
Name Grimm
Original Name 格林
Classification Hereditary bloodline; a collective designation for several families of monster hunters 16 63.
Species/Race Human, distinguished by an inherited ability to perceive concealed Wesen forms 63.
Occupation/Role Witch Hunters specializing in Wesen; traditionally protect ordinary humans from dangerous supernatural creatures 63.
Status Still active. Sam Winchester reports that special bloodlines such as theirs are nearly extinct 140.
First Appearance Nick sees a man's concealed Wesen form and is identified as a Grimm 5.

Bloodline and Awakening

  • Inherited, but not guaranteed: Having Grimm ancestry does not ensure awakening. Nick's mother and aunt were Grimms, while their brother remained an ordinary person 63 129.
  • Different awakening ages: Women generally awaken earlier and more frequently. Kelly Burkhardt awakened shortly after turning ten; Mary Kessler awakened shortly after turning eight 63.
  • Awakening does not impart knowledge: Nick initially sees Wesen without understanding either their nature or his own identity. Monroe introduces him to the terms “Grimm,” “Wesen,” and the family journals 5 15 16.
  • Training remains necessary: Kelly and Mary began accompanying their father on hunts at eighteen and sixteen, respectively—years after their awakenings 63.

Abilities & Skills

Perception of Wesen

Grimms can see the true forms Wesen involuntarily reveal while appearing unchanged to ordinary humans 17.

  • These involuntary transformations may escape even the Wesen's own notice 17.
  • Deliberate transformations can reveal Wesen to ordinary humans as well; witnessing one does not itself make someone a Grimm 17.
  • This perception is not described as continuous identification of every concealed Wesen. Nick's investigations still depend on observing transformations, gathering evidence, and consulting others 65 68.
  • Nick learns to watch people indirectly and avoid eye contact when they transform, reducing the chance that they will recognize him 83.

Intimidation of Wesen

Wesen commonly experience intense fear when meeting a Grimm's eyes. Monroe describes it as an inherited terror produced by centuries of killings; Nick later experiences the effect as bloodline suppression 17 90.

  • Physical reactions: Frank Rabe sweats and becomes visibly distressed during sustained eye contact. Frederick Calvert loses bladder control after little more than ten seconds 88 90.
  • Reputation reinforces the effect: Childhood stories portray Grimms as monsters who kill Wesen. Bud panics on recognizing Nick despite Nick's efforts to reassure him 16 198.
  • Resistance is possible: Some powerful Wesen train from childhood to withstand the fear through willpower. A fully transformed Blutbad can also enter a frenzy capable of overcoming fear of a Grimm 63 209.
  • It is not universal: Renard is explicitly described as lacking the Wesen's inherited fear because of his Royal Family heritage, although Nick's equipment and methods still frighten him 129.

Specialized Hunting Knowledge

Grimms compensate for their largely human bodies with accumulated knowledge of Wesen anatomy, behavior, and weaknesses 63.

  • Develop specialized weapons and traps for particular species 63.
  • Consult illustrated journals to identify creatures and anticipate their attacks 17 94.
  • Preserve knowledge of poisons, potions, herbalism, and alchemy alongside hunting records 213 216.
  • Record precautions against supernatural retaliation, including Hexenbiest feigned-death spells and curses that help others identify their killers 130.

Possible Physiological Resistance

Nick suspects that the Grimm bloodline provides additional resistance to certain chemical influences, but this remains his interpretation rather than an established trait of all Grimms 137 165.

  • He questions whether his apparent immunity to Goat Wesen influence comes from his bloodline 137.
  • After being barely affected by behavior-altering gases, he again attributes his resistance to his Grimm constitution 165.

Limitations

  • Aunt Mary states that, apart from seeing through Wesen disguises, the bloodline offers little separation from ordinary humans. Grimms remain vulnerable to injury, exhaustion, illness, and death 63.
  • Grimm ancestry does not guarantee superior physical strength. Nick is nowhere near Monroe's strength when the Blutbad tears apart two Lizard Wesen 209.
  • Their traditional specialty is Wesen, not ghosts and demons; other Witch Hunters specialize in those threats 63.
  • Nick's Magic Movie Ticket, psionic skills, and Predator equipment are separate resources, not established Grimm bloodline abilities 63 114 192 193 197.

History

Origins and the Break with Wesen

Legends describe Grimm and Wesen ancestors fighting together before unidentified events divided them. One account attributes the break to a Grimm ancestor who began hunting Wesen that repeatedly harmed humans, using his bloodline's perception to identify them 17.

Over subsequent generations, Grimms accumulated methods for killing different Wesen and preserved their experience in journals. Their campaigns drove some powerful, destructive species to extinction or near-extinction and established a fear passed down through Wesen generations 17 63.

Service to the Royal Family

The journals also record Grimms serving the Wesen Royal Family, using their gifts to manage its Wesen subjects in a role Nick compares to an imperial secret police 120.

During the Fourth Crusade, seven Grimm Knights betrayed the Royal Family and concealed a treasure taken from Constantinople. Each held one of seven associated keys; afterward, they hid their identities and dispersed across the world 120 204.

Nick later tells Renard that only a Grimm descendant can open the treasure. This makes a living Grimm politically valuable independently of possession of a key 204.

Reputation and Hunting Ethics

The surviving accounts do not present a consistent picture of Grimm conduct. Nick's early reading suggests that most predecessors targeted Wesen who harmed humans, with indiscriminate killers forming a minority. Rabe likewise believes that most Grimms spared Wesen who followed the rules 68 117.

A later reading emphasizes extensive torture, mutilation, and the extraction of information used to eliminate other members of a victim's species. In that assessment, reasonable Grimms were the minority. These records explain why even peaceful Wesen might expect death upon discovery 127.

Rabe identifies a further problem with traditional restraint: whether a Wesen was judged “good” or “evil” depended entirely on the individual Grimm. Historically, Grimms protected humans without necessarily intervening when stronger Wesen preyed upon weaker ones 117.

Modern Activity

According to Mary, Grimms had kept a low profile for roughly a century. She also tells Nick that modern Grimm–Wesen relations need not follow the legendary pattern of fighting to the death 63 73.

Nick develops a different approach as a Portland detective, investigating Wesen crimes while seeking cooperation from peaceful Wesen. Rabe recognizes the possibility of a Grimm becoming a protector or keeper of order for humans and Wesen alike 117.

Nick describes his guiding principle as order, rather than strict obedience to law. He is willing both to imprison criminal Wesen and to use lethal force against threats to others 143 144. Establishing that reputation remains difficult: rumors that he slaughtered Melissa Wickoft's community terrify Bud, although Nick had actually helped arrange their departure 130 198.

Journals and Equipment

Grimm's Journals

The journals are the families' principal repository of hunting knowledge. They contain illustrations, species descriptions, behavioral observations, weaknesses, and accounts of encounters 17 63.

Collection Documented Contents
Mary's inherited collection Seventeen trunks of ancestral belongings transported in her Airstream trailer 63.
Formal journals More than twenty volumes stored in five wooden chests 65.
Supplementary records Over a hundred notebooks, experimental records, and other books, including occultism, herbalism, and medieval alchemy 213.
Languages Numerous languages complicate study; some records use Old Latin, Old German, and Cyrus Classical Chinese 68 130.
  • Public legacy: Material from the records entered European folklore and became Grimm's Fairy Tales. Monroe describes the published tales as ancestral warnings whose original purpose was obscured 16 17.
  • Practical gaps: The collection's size, languages, and technical content prevent Nick and Dahlia from immediately understanding every entry or identifying every potion 68 213.
  • Continued recordkeeping: Nick adopts the ancestral practice of documenting unfamiliar monsters for future encounters 114.

Weapons and Alchemical Supplies

  • Traditional arsenal: Specialized weapons and traps designed around Wesen weaknesses; Mary's collection is dominated by close-combat weapons, particularly blunt weapons, with relatively few ranged options 63 64.
  • Potions and apparatus: The inheritance includes numerous flasks, potions, and alchemical equipment 213 216.
  • Ogre Gift: A red poison in Nick's collection that Monroe identifies as capable of bringing down an Ogre 216.
  • Modern additions: Nick and Dahlia expand their anti-Wesen arsenal with automatic weapons, including ACR assault rifles in 5.56 and 7.62 calibers 85.
  • Later storage: Nick moves Grimm books, weapons, and alchemical supplies into a locked hidden room at his home 216.

Known Grimms

Individual / Group Details
Nick Burkhardt Portland detective who becomes aware of his Grimm identity after already joining the police 16 140.
Mary Kessler Nick's aunt and guardian; an experienced Grimm who passes the family's collection to him 63 73.
Kelly Burkhardt Nick's mother and Mary's older sister; awakened as a child and hunted with their father 63.
Nick's maternal grandfather Grimm hunter who trained Kelly and Mary through joint hunting trips 63.
Nick's maternal great-grandmother Identified by Mary as another Grimm ancestor 63.
Seven Grimm Knights Former servants of the Royal Family who concealed the Fourth Crusade treasure and dispersed with its seven keys 120 204.

Relationships

  • Wesen — Traditional quarry, but not uniformly enemies. Mary recognizes peaceful coexistence, and Nick actively seeks Wesen allies and informants 63 68 203.
  • Bee Wesen — Historical allies of Grimms, associated with their shared hostility toward Hexenbiests 123 127.
  • Hexenbiests — Particularly hostile relations; the text describes Grimms as almost always killing them on sight 127.
  • Wesen Royal Family — Former employers and later adversaries. Renard considers control of a Grimm a major political advantage, while royal interests threaten Nick's family and pursue Mary's key 120 129 204.
  • Grimm Hunters / Grimm Reapers — Wesen trained to resist Grimm intimidation, associated with folding Reaper Scythes. Mary later clarifies that the modern Reapers are Royal Family assassins who more often target disobedient Wesen than Grimms 63 73.
  • Other Witch Hunters — Parallel hunters whose specialties include ghosts and demons. Sam Winchester recognizes Grimms as a legendary bloodline but finds Nick's police career unusual 63 140.

Notable Quotes

“It's true, times have changed. The relationship between Grimm descendants and Wesen isn't necessarily a fight to the death like the legends say.”
— Mary Kessler 63

“To law-abiding citizens like you, I'm a cop first and a Grimm second.”
— Nick Burkhardt to Bud 198

Appearances

229
Total Mentions
70
Chapters Appeared
3.27
Avg. per Chapter