If he was one of the last bosses I'd understand, but he's one of the very first bosses in the game! (n4g.com)
I played the very first boss battle a few dozen times until I finally beat it; the same goes for the second and especially the final boss. (148apps.com)
If you're not past the game's first boss encounter, in the garage, just stop reading this right now. (waypoint.vice.com)