I think Shadow tubby was secretly in love with lala before dipsy loved her! And then one night a figure dragged him away and putt down a custard down and killed him and the custard spilled on him into the monster that lived in the nightmares of laa-laa...
Documents: the subject named ***** dead because the error machine and And it turns out that scientists made the machine an error because the subject was not suitable to be the 5th teletubbies subject is black has been created since 1989
Shadow Tubby: i know what happened i saw it with my own eyes you made me a monster now you are suffering you Remember what i told you before i died i take you straight to hell with me YOU WILL SUFFER FOREVER=)