The Aquabats!

American rock band from Orange County, California, United States.
Formed 1994.
They are best known for their mythology, in which they claim to be superheroes on a quest to save the world from evil through music. As a part of this mythology the band members have adopted superhero pseudonyms and dress in matching costumes.
Current Members:
Christian "The M.C. Bat Commander" Jacobs - Vocals (1994–present)
Chad "Crash McLarson" Larson - Bass/Backing vocals (1994–present)
Boyd "Catboy" Terry - Trumpet/Various brass instruments/Backing vocals (1994–2002, 2024–present)
Courtney "Chainsaw the Prince of Karate" Pollock - Guitar (1995–2006, 2024–present)
James "Jimmy the Robot" Briggs - Keys/Saxophone and woodwinds/Backing vocals (1997–present)
Richard "Ricky Fitness" Falomir - Drums/Backing vocals (2002–present)
Ian "Eaglebones Falconhawk" Fowles - Guitar/Backing vocals (2006–present)
Matt "Gorney" Gorney - Piano/Keyboards (2024–present)
Past Members:
Adam "Prince Adam" Deibert - Trumpet/Synths/Guitar/Backing vocals/Hand accompaniment (1994–2004)
Chad "Nacho" Parkin - Keys (1994–1996)
Rod "Roddy B." Arellano - Drums (1994–1996)
Ben "Ben the Brain" Bergeson - Guitar (1994–1996)
Matt "Gumby" Van Gundy - Guitar (1994–1995)
John Pantle - Trombone (1995–1996)
Wendell "Creedle" Creed - Guitar (1995)
Jeffery McFerson - Trombone (1995)
Charles "Ultra Kyu/The Mysterious Kyu" Gray - Guitar/Strings/Synths/Backing vocals (1996–2000)
Travis "The Baron von Tito" Barker - Drums (1996–1998)
Brian "Captain Croxall" Croxall - Trombone (1996)
Gabe "Doctor Rock" Palmer - Drums (1998–2002)
Michael "Popeye" Vogelsang - Guitar (2005)