Magnet Man!! Totally 80s!

Anything from MM 2 was awesome. If I had to choose one, it would be Crashman.

Mega Man has some of the best NES music ever! I don't have one best, but I've chosen my favorites of all of the original series games...

1 - Wily Stages 3 & 4

2 - Wood Man

3 - Top Man

4 - Cossack Stages 3 & 4

5 - Gravity Man

6 - Mr. X

7 - Turbo Man

8 - Dr. Wily Stage 2

Mega Man and Bass - King Stages 1 & 2

GB1 - Dr. Wily Stage 2

GB2 - Needle Man

GB3 - Punk's Theme

GB4 - Fortress Boss Battle

GB5 - Pluto

Wily Wars - Wily Stage 3

Any megaman 2 stage

I can't choose just one. Here are my picks:

MM1: Gutsman, Elecman
MM2: Every theme
MM3: Shadowman, Topman, Magnetman, Wily stages 1 and 2
MM4: Final battle (love the last one)
MM5: Title theme and final battle
MM6: Blizzardman
MM7: Every theme
MM8: Tenguman and Wily stage 2
MM and Bass: Coldman

MMX1: Storm Eagle
MMX2: Magna Centipede, Crystal Snail, Wire Sponge
MMX3: Gravity Beetle
MMX4: Cyber Peacock, Magma Dragoon

I haven't played the games beyond MMX4

The title screen from Megaman 2.

Megaman 3 boss theme
Megaman 3 stage select theme
Darkman's Stage (MM5)
Flameman's Stage (MM6)
Intro Stage (MM7)
Bass' theme (MM7)
Zero's theme (MM X)

Honestly about 90% of the level themes I like.

The Mega Man games have some of my favorite game music. Here's my three favorite tunes from each game:

Mega Man 1 - Bomb Man, Elec Man, Cut Man

Mega Man 2 - Bubble Man, Metal Man, Flash Man

Mega Man 3 - Magnet Man, Snake Man, Spark Man

Mega Man 4 - Pharaoh Man, Bright Man, Skull Man

Mega Man 5 - Gravity Man, Stone Man, Wave Man

Mega Man 6 - Wind Man, Knight Man, Tomahawk Man

Mega Man 7 - Burst Man, Cloud Man, Junk Man

Mega Man 8 - Tengu Man (Sega Saturn Version), Grenade Man, Wily Stage 2

Mega Man & Bass (Rockman & Forte) - Intro Stage, Cold Man, Magic Man

Mega Man X - Intro Stage, Storm Eagle, Armed Armadillo

Mega Man X2 - Wheel Gator, Morph Moth, Flame Stag

Mega Man X3 - Blizzard Buffalo, Gravity Beetle, Neon Tiger

Mega Man X4 - Intro Stage, Magma Dragoon, Split Mushroom

Mega Man X5 - Slash Grizzly, Izzy Glow, Duff McWhalen

Mega Man X6 - Intro Stage, Commander Yammark, Blizzard Wolfgang

I didn't like any of the Playstation 2 Mega Man X games...so I stopped playing them after X6. And I never got into any of the other Mega Man series like Legends and EXE.

Quickman! I wish I could just find a way to get my cell phone to ring to that theme song.

And for my favorite Mega Man X Tunes...

X1 - Launch Octopus

X2 - Wheel Gator

X3 - Toxic Seahorse (Super NES Version)

X4 - Jet Stingray

X5 - Burn Dinorex

GB1 - Sigma Stage 2

GB2 - Overdrive Ostrich

Tomahawk Man's stage theme was lovely.

Favorite themes from the Mega Man games:

MM1:
Guts Man
Fire Man

MM2:
Flash Man
Metal Man
Wily Stage 1
Password Screen

MM3:
the music that plays when you face the monster that breaks apart
Shadow Man
Spark Man
Password Screen (very bouncy and cute!)

I have allot of favorite stage songs of Mega Man but one of my faves is Bubble Man's Stage song in Mega Man 2.

I agree 100%.

For Me, I think MM1, 3, 4 and 5 were my favs.