Lucifer is oftentimes careless and doesn't think about what he says, even appearing clueless at times. Additionally, even with his monumental position, he is rather socially awkward, for example, trying to connect with his son Lucien by excitedly bringing up that they both like girls.
he is not afraid to fight or get violent, he is unafraid to act cocky and successfully irritate Lucifer shows more intimidation prowess when he orders. Even so, he adds "please" politely when giving orders 