Ryan Ellis is a male 4th grader who first appeared in the Season Twelve episode, "The Ungroundable". He is in the South Park Vampire Society.
In "The Ungroundable", he is seen with Mike Makowski, Larry, Annie Bartlett, and other vampire kids in the school gymnasium. The vampires discuss their new vampire names when Butters Stotch interrupts them with his recording. He notes that he would be a hybrid vampire, a combination of psy and sanguinarian.
He is later seen in the woods at the ceremony to induct Butters into the Vampire Society as a new vampire. Ryan, Larry, Mike, and several other vampires take Butters to Hot Topic and outfit him with a new look.
In "Butterballs", he, Annie Bartlett, and other vampire kids make a cameo appearance during the Make Bullying Kill Itself music video. He sits at the entrance to the school gym and is only seen briefly.
He was later seen in "Goth Kids 3: Dawn of the Posers" at the noon meeting for the South Park Vampire Society. He sat in the front row, next to Allison Mertz, but did not play a significant role.
He and other vampires in the Vampire Society make a brief appearance during the "Black Friday" trilogy, where they are seen throughout the episodes as part of Stan Marsh's army to fight for Playstation 4 systems.
Larry wears black shoes, black pants, a black shirt. His shirt features a spider-web motif. He also wears a burgundy vest with a skull pin. He wears black eye shadow and has dyed, gray hair styled in a Mohawk.
"Goth Kids 3: Dawn of the Posers"
"Black Friday" - Seen on Stan's side, fighting for the PS4.
"A Song of Ass and Fire" - Seen briefly when Cartman visits the Stan's army.
"Titties and Dragons" - Seen as part of Stan's army and at the Red Robin.