Coming up with abilities for TCP types that don't have them

[Headful_of_Eyeballs]

Sitcom:
LAUGH TRACK
Whenever a sitcom type does anything even remotely funny, everyone nearby is forced to laugh

Cartoon:
SQUASH AND STRETCH
Cartoon types can extend and contort their bodies as if they were made of rubber hoses

Warning sign:
LOOK BOTH WAYS
Warning sign types can spend health to predict upcoming danger and project a appropriate warning onto their sign

Nothing
THERE'S NOTHING LEFT
After entering their ascended form, Nothing types can inflict feelings of absolute desolation and despair in any nearby creature

Ball Maze:
LABYRINTHINE
Ball Maze types can shrink down items and put them inside themselves