does anyone know who this STEOE enemy is?

I found this image of this TTSE character, I think she would appear on a TTSE 2 map

Billy the killer machine

TTSE 2 sprites, thanks @AlexandreDiesel for images

I found this in the TTSE 3D files

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

Thomas

the two most powerful characters in the TTSE universe:

Killer Cellphone (My Terrortubbie OC) Sprite