Katie "Bloodrayne" Gelson first appears in the Season Twelve episode, "The Ungroundable". She is a member of the South Park Vampire Society .


Her first appearance in "The Ungroundable " was sitting in the gym with the vampire children, she later helps Mike and the vampire kids to transform Butters into a vampire. That was her only important appearance for now.

In "Butterballs" she was briefly seen sitting in the gym during Stan Marsh's video.

In "Goth Kids 3: Dawn of the Posers " she was seen during the meeting.


Katie wears a black undershirt under a black jacket with white accents and a drawing of a skeletal cat on the right, black pants with loose black suspenders and black shoes. She has short gray hair with brown highlights, black eyebrows and a lot of makeup.


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