Full name: December Hela Chesterfield
Status: Alive (resurrected)
Born: December 25th, 1989
Zodiac Sign: Capricorn
Age: 17 (Season Two; Stops Aging Then)
Titles: Azazel Junior (by Dean), Em (by Sam, Dean, Castiel, Crowley, Mary & Jack), Emmie (by Gabriel & Lucifer), Sweetheart (by Azazel, Gabriel & Lucifer), Little Azazel (by Lucifer & Michael), My Little Death Trap (by Azazel), My Hell Bird (by Azazel), My Little Cambion (by Riley & Azazel), My Little Christmas Child (by Lucifer & Azazel), Ember (by Riley), My Little Hela (by Azazel)
Aliases: The Daughter of Azazel, The Demon Spawn, Hybrid Freak, Princess of Hell, Ms. Hell
Residence: Chesterfield House (formerly)
Relationship status: Single
Family: Azazel (biological demon father), Riley Chesterfield (biological human/psychic mother), Ramiel (biological demon uncle), Dagon (biological demon aunt), Asmodeus (biological demon uncle), Lucifer (biological demon grandfather), Castiel (adoptive father/guardian), Winchester Family (guardians/surrogate family)
Romances: Jack Kline (love interest), Gabriel (former love interest), Ruby (ex-fling)
Other relations: Claire Novak (friend/ally), Sam Winchester (close friend/father figure), Dean Winchester (close friend/father figure), Castiel (close friend/uncle figure), Jesse Turner (close friend), Lilith (enemy), Lucifer (enemy), Crowley (frenemy)
Affliction: Winchester Family, Chesterfield Family, Hell (formerly; unwillingly)
Occupation: Huntress, Tool of the Apocalypse (formerly)
Species: Tribrid (Part-Banshee, Part-Human, Part-Demon)
Powers: Eye Color Shifting (she can make her eyes glow yellow, since her father Azazel is the yellow-eyed demon), Demonic Possession, Super Strength, Telekinesis, Biokinesis, Pyrokinesis, Immunity, Invulnerability, Immortality, Demonic Control, Telepathy, Mind Control, Mental Projection (ability to project her thoughts into people's minds), Super Senses, Resurrection, Teleportation, Dream Walking, Reality Warping, Super Stamina, Weather Manipulation, Electromagnetic Interference, Sonic Scream
Gender: Female
Sexuality: Bisexual
Height: 5'3 (Feet), 1.60 (Meters)
Eye color: Hazel (Human), Yellow (As A Demon/Cambion)
Hair color: Strawberry blonde
Portrayed by: Holland Roden
Famous quote: "Well, I may be half-demon, but that's...very kinky"
Seasons: 2-15