Regi is the main protagonist of the series. He possesses lightning-fast reflexes and moves at incredible speeds, making him highly effective in combat. Regi excels at taking down opponents, and his teammates consistently rely on him during difficult scenarios.

He exhibits strong leadership qualities and unwavering determination to ensure his team succeeds. Regi cares deeply about his teammates' safety and well-being, displaying profound loyalty and dedication. This earns him their respect as both a leader and a role model. Regi is known for his compassion and kind-hearted nature alongside his formidable combat abilities.

His personality aligns with the ESFJ type in the 16-type system and Enneagram Type 8w9. This reflects his leadership skills, assertiveness, and desire for control, combined with a protective attitude toward those he cares about. Regi communicates in a straightforward, direct manner and can appear intimidating, though not maliciously. He shows confidence in making decisions and taking charge during challenging situations.

Regi uses the energetic phrase, "I'll zap your negativity away with my electric beats!" He balances his exceptional combat effectiveness with a fiercely protective and loyal disposition toward his team members.