Height - 172cm Weight - 68kg Appearance - Reddish-brown hair | Brown eyes Gender - Male Characteristics - He dreams of becoming a firefighter like his father. He is usually playful and terrible at studying, and sometimes eccentric, but he gets the job done. As a member who is stronger in practice than theory, his training grades are a mess, but he plays a major role in actual missions. Equipped Suit - Phoenix Equipment - Phoenix X-Gun (Can transform into a gun mode and an axe-shaped plasma mode by mounting a core) / Core Headset (A headset to control Phoenix) / Tai-One (Assists in training and rescue activities. It is worn. Usually takes the form of a small fire truck.) Phoenix - The red Fire Robo suit equipped by Ian. Its main equipment is the Phoenix X-Gun. Its vehicle mode is a unicycle bike.

Height - 177cm Weight - 70kg Appearance - Yellow undercut | Blue eyes Characteristics - The leader of Fire Robo. A boy who is skilled in martial arts, excels in his studies, and is popular with female students. He has a cool yet kind personality, but he has a bit of a mischievous side and teases Ian a lot. He receives so much chocolate from female students that he can't finish it all. Male. Equipped Suit - Icarus Equipment - Ice Gun (Can use various rounds such as extinguishing fluid, adhesive rounds, and cable rounds by mounting a core) / Tai-Two (Like Tai-One, it assists in training and rescue activities and is worn. Usually takes the form of a small fire truck.) Icarus - The blue Fire Robo suit equipped by Teo. It can fly with the jetpack on its back, and its equipment is the Ice Gun. Its vehicle mode is an air bike.

Height - 166cm Weight - 56kg Appearance - Blue bobbed hair | Green eyes Characteristics - Ranks first in both studies and training. She is smart, intellectual, and the brain of the trio. Female. Equipped Suit - Hercules (a pilotable suit). Equipment - No separate handheld equipment, but plasma saw blades and extinguishing fluid launchers can be linked from both arms of Hercules. Tai-Three (Assists in training and rescue activities like Tai-One and Tai-Two. It is worn. Usually takes the form of a small fire truck.) Hercules - The yellow Fire Robo suit piloted by Sena. It boasts the highest power among the Fire Robo suits. Due to its massive size, it has no specific vehicle mode, and unlike other Fire Robo suits, the pilot operates it from inside the suit.