Rob Robinson is an individual who possesses arrogance and pride. He participated in the Maximum Tournament due to his belief that no one could best him in a kickboxing match. He made fun of Kanji Igari based on his age. Furthermore, Rob has displayed a cowardly side of his personality at times. When he encountered Hector Doyle, he boasted about not wanting to fight like an amateur but was visibly sweating, indicating possible nervousness or fear.