Full name: Mary-Jessica Deanna Winchester
Status: Alive
Born: 2008/2009
Zodiac Sign: Unknown
Age: 17/18 (Season Twelve), 18/19 (Season Thirteen), 19 (Season Fourteen), 20 (Season Fifteen)
Titles: MJ (by everyone), Jess (by Sam), Junior (by Dean), Baby (by Sam), M&M (by Jack), Sweetheart (by Sam), My sweet little girl (by Sam), Little Jessie (by Lucifer), Little Winchester cambion (by Lucifer)
Aliases: The Cambion, Sam Winchester's Daughter, Half-Breed, The Daughter of The Demon and The Special Child. The Daughter of the Hunter, The Huntress, The Demon Child, Demon Spawn
Residence: Men of Letters Bunker (formerly; S12-S15), Heaven (currently; S15-Present)
Relationship status: Dating Jack Kline
Family: John Winchester (biological paternal grandfather), Mary Winchester (biological paternal grandmother), Sam Winchester (biological human father), Ruby (biological demonic mother), Ruby's Vessel (biological human mother), Dean Winchester (biological paternal uncle), Castiel (paternal uncle/adoptive father/guardian), Bobby Singer (surrogate grandfather)
Romances: Jack Kline (boyfriend/protector)
Other relations: Jack Kline (best friend/boyfriend/protector), Sam Winchester (close friend/overprotective father), Dean Winchester (close friend/protector), Castiel (close friend/protector/uncle figure), Crowley (frenemy)
Affliction: Winchester Family, Sam Winchester, Dean Winchester, Castiel, Jack Kline, Bobby Singer, Men of Letters, Hell (formerly), Lucifer (formerly; unwillingly), Heaven
Occupation: Huntress (formerly), Member of Team Free Will, Jack's Lieutenant/Second-In-Command
Species: Cambion (half-Special Child & half-demon)
Powers: Demonic Immunity, Precognition, Telekinesis, Exorcism, Demon Smiting, Teleportation, Invulnerability, Electrokinesis, Super Strength, Demonic Control (due to her biological mother being a demon, she can control demons just like Ava Wilson could)
Gender: Female
Sexuality: Bisexual
Height: 5'4 (Feet), 1.63 (Meters)
Eye color: Hazel (Human; like her father), Black (Demon)
Hair color: Dirty blonde
Portrayed by: Taissa Farmiga
Book: 𝗧𝗛𝗘 𝗡𝗘𝗣𝗛𝗜𝗟𝗜𝗠'𝗦 𝗗𝗘𝗠𝗢𝗡 [𝗝𝗔𝗖𝗞 𝗞𝗟𝗜𝗡𝗘]
Famous quote: "Me and Jack are literally opposite attracts, Dad. I'll never work. I'm a demon, he's an angel. We may both be hybrids. but we're nothing like each other. I'm the true abomination between me and Jack. I'm the monster."