Matoi tells him that they are all a team to win a fight they have to work together, he cannot let his pride get in the way of saving the world. Then when the team works together they are far greater and more powerful then working alone. A lesson that Daimon learns the hard way. He can be somewhat indulgent. Although he might rush into a fight he can still be reliable in an emergency. He has an obsession with drinking milk. A wannabe bike cop, he is the only sibling not in the Fire Department.
When Pierre returned and began terrorizing the city, Domon and his family came out of retirement and helped the Timerangers defeat the Saima demon.
In Gaoranger vs. Super Sentai, Daimon taught Kai Samezu how to perform his famous "Banba-Style Cow's Killer Milk Tornado Drop" , which Samezu eventually uses on Lost Highness Rakushaasa.