Ivan is a tough guy with a tender heart. He often appears grouchy and stubborn, particularly around situations he isn't interested in, like while being held captive at the Bubbler's party in "The Bubbler", but he also can sometimes be openly enthusiastic and expressive, cheering for Alix to beat Kim in "Timebreaker". The only person so far that he has shown a lot of warmth towards is Mylène. Although, he is willing to help others in dangerous or bad situations