Billy the killer machine

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

Thomas

Killer Cellphone (My Terrortubbie OC) Sprite

I found this in the TTSE 3D files

TTSE 2 sprites, thanks @AlexandreDiesel for images

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

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

does anyone know who this STEOE enemy is?