The Eight King Koopa's you have to defeat in the original Mario brothers. ;)

My top ten consists of ten bosses from Gunstar Heroes with Seven force consisting of seven of em.
Oh yes, minion soldier too.

I cannot think of 10 amazing bosses because my usual games (fighters, RPGs, platformers, puzzlers, RTS) don't usually have amazing boss battles but Mike Tyson is the hardest and (at the time) coolest boss I even fought.

mike tyson is undefeatable though. he's not really a boss.. he's just a wall. :P

I found Sepheroth extremely lame and boring character throughout the game.

And also has to be the easiest boss fight in the entire game as well. Wow was he pathetic. And with no walkthrough either or anything guiding me, wasn't leveled or anything big either.

Caught off guard by how fast third disc is over with. So I can't even imagine how easy he would be when higher leveled and pimp weapons and stuff.

But otherwise pretty poor list in the fact that you are very one sided on games. Since only sony basically. But guess not your fault. not everyone can afford all systems.

GLaDOS in portal... loved it especially the song at the end

i did say that my list is incomplete coz i don't own an xbox or a wii...

Alex Kid in miracle world boss fights were awesome, rock paper scissors..... well they were the first ones I ever got up to.

I don't remember the name but you had some bad ass boss in R-type and other games like double dragon street of rage etc...

too many games ermm but from the top of my head in no specific order:

1) Final Boss in Devil May cry 1
2) 1st boss in zelda ocarina of time
3) The colossi in SoTC
4) Lylat wars final boss
5) The Death star in 1st Star wars game on the game cube (if you consider that a boss)
6) final boss in REZ
7) Final boss in (the super chao thing) in Sonic Adventure 1
8) That fat boss at the end of Shenmue 2
9) Psycho Mantis- MGS
10) Nemesis on RES 3