is a police robot created by professor Ignatz Mindbender
in the episode "Leonardo, the Renaissance Turtle
" from the 1987-1996 animated TV series
. He was programmed by Mindbender to arrest and punish even minor law infractions, and manipulated REX-1
to attack Leonardo
and April O'Neil
. LEX is deactivated by Mindbender after Leonardo tricked the robot into arresting its creator.