Angry Tubby (My Terrortubbie OC) And Horrotubbies (Terrortubbies alternative version)

does anyone know who this STEOE enemy is?

Billy the killer machine

I found this in the TTSE 3D files

the two most powerful characters in the TTSE universe:

Number 1 (My Teletubbie OC), I made this drawing in Krita

Infected Thomas concept for a possible future TTSE fan game, credits to @alexandrethebluediesel for design ideas

Killer Cellphone (My Terrortubbie OC) Sprite

TTSE 2 sprites, thanks @AlexandreDiesel for images

Thomas