Félix changed when his father passed away, meaning he wasn't always mischievous. Félix is complete opposite of his twin cousin. Unlike Adrien who is kind and gentle, Félix is rude, sneaky, and according to Ladybug, very pushy, especially when it comes to getting what he desires, even being willing to negotiate with Hawk Moth and put others in danger. Adrien, as Cat Noir, says to him, "I bet you don't have a lot of friends, acting the way you do", implying that, Félix doesn't like people