You're a survivor of the tubbie massacre, you were walking throught main land at night looking for custards to study them and find a cure, until you come across four infected tubbies

"Time to kill the intruder" The purple one called Tinky Winky said in a deep monster voice

"No! let's annoy them" The headless green one called Dipsy said in a normal tone

"Uh? Who's there!?" The yellow blind one called Laa Laa said

"Let's torture them!" The short red one called Po said