I would be the companion cube if it can be considered a boss. :roll:
If not then I would be GlaDos.
And you know which song if you know Portals. :D Still alive.
But the weighted companion cube will never threaten to stab you and, in fact, cannot speak... :lol:
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I think I'd have to go for SHODAN, if only because she gives GlaDOS more than a run for her money.
As for a song...hmmm...right now I'm thinking "U.N. Owen Was Her?" since it's stuck in my head after Flandre's blown me to smithereens for the umpteenth time in a row.
i'd be bowser, and my song would be the original super mario dungeon song, because nothing can beat the original boss!
except a pit of lava or a fire flower XD
LOL!! when I was a kid this guy's 1 hell of a boss but not anymore XD
Why was he standing above a pit of lava neway? i never understood why he was so dumb, but still managed to kidnap the princess and then get mario to run all over the place lookin 4 her...