Holds a black belt in ITF Tae Kwon Do, and has studied Japanese (Judo, Jiu-jitsu, Karate), Chinese (Wushu) and Filipino (Arnis) martial arts for over 35 years. This can be seen in Robinson's portrayal of 'Deathstroke' in Season 1 of
Arrow (2012), where his character utilizes a talibong.