Tweener was assigned as a cellmate with Avocado after he was not able to give information on Michael Scofield and his escape plan to Bellick. It was hinted that Tweener was sexually harassed by Avocado as Avocado has "pulled the curtains" of the cell. (1x17) Desperate, Tweener castrated Avocado with a hidden razor blade. Avocado claimed the incident was an accident so he could deal with Tweener himself once he recovered. (1x19) Avocado could never deal with him as Tweener had escaped before Avocado returned to his cell. (1x21)