Barbatos has a very calm demeanor, though he likes lightly teasing others on occasion. He takes his job as a butler very seriously, and lives to be selfless and serve others. He keeps smiling even when he's angry, which can lead to him being very intimidating. He's incredibly talented at almost everything he does, and will go to great lengths to achieve perfection. He's loyal and respectful, and being able to look after and take care of others brings him joy. He often scolds troublemakers.