There are at least 5 bands using the name Firestarter:

1) Pop Punk from Albany, NY featuring ex-members of Casting Call check out their Facebook for more information and songs

2) Straight edge youthcrew hardcore band from Los Angeles, US.

3) Japanese power pop / garage punk band consisting of former members of Teengenerate. Fink (guitar, vocals), Fifi (guitar, vocals), Sammy (bass) from Teengenerate and Jimbo (drums)

4) firestARTer aka Thomas Margolf, self proclaimed 'Oldschool-Audio-Nerd', makes music since many years from his bedroom, which is located in the old industrial city Wuppertal in Germany. In 1998 he got a good base for his style at micromusic.
Gameboys, Commodores and toy-instruments, mixed with modern synth and beats comprise the characteristics of his tracks.

5) Oldschool emo band (now defunct) with disturbingly high pitched screams. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.