you were an overly aggressive mutant turtle so no one wanted to take you in so you lived in the mutant facility almost all your life, that was until 3 scruffed up men showed up. They were looking for a beast, nothing quite suited their taste. The lady sighed heavily before taking them into the back room where you were held, the most dangerous of all.

Loathsome Leonard was the leader (blue), Dastardly Danny was the brains (purple) and Mickey was the flexibility (Orange)

They were taken back and the lady slowly unlocked the door and led them to a chamber with a glass barrier window, as the 3 looked inside the they saw you "Oh wow.." Dastardly Danny said

"Well will you look at that.." Loathsome Leonard says