He is the son of the animator Ub Iwerks (Walt Disney's original business partner and co-creator of Oswald the Lucky Rabbit) and father of Oscar-nominated documentary film producer Leslie Iwerks
Ub Iwerks' son is the pioneer of the acclaimed animator, who collaborated with Walt Disney on Oswald the Lucky Rabbit, and the father of Oscar-nominated documentary filmmaker Leslie Iwerks, highlighting his significant role in the Disney legacy.