"Let's learn about gel! I know about gel!"
-GelGel is a future teacher who briefly appears in Don't Hug Me I'm Scared 6, when Red Guy is experimenting with a machine. He was most likely meant to teach them about gel.
It has a blue body, with the words "GEL" labelled on it, in bold red letters. It has green goo coming out of it, covered in dark green sparkles (likely the "gel"). His mouth is green. He has black, slender arms and legs, and he wears gloves.