Timmy’s costumes over the years have ranged from challenging (Minecraft sun) to easy like an astronaut.

Top row: Kermit the Frog, Blinky from Pac-Man, Thomas the Tank Engine, R2D
Middle row: Dusty from Planes, Spider-Man, Minecraft Sun, Astronaut
Bottom row: Mario, Kylo Ren, Shark, Bad Batch Stormtrooper