Here's who's dressed as who!
Jesus is Fred Flintstone
Hippie is Dylan from The Magic Roundabout
Poppington is the Weighted Companion Cube
Spikeclops is Naruto Uzumaki
Drug Abuse is Dennis Mitchell
Kevin is the Flash
The Doctor is Wally from Where's Wally?
Happy is Lloyd P. Nebulon from Lloyd in Space
Dave is Captain Olimar
Parental Control is HAL 9000
Eyeclops is Sherri/Terri from The Simpsons
Yuda is Top Cat
Jessica is Lois Griffin from Family Guy
Ma'am is Ma'am from Educomix