The following is a credits list for the people who made the classes!

Others/Mains

Megaman - ice, Yellow Devil, and Megaman
Protoman - Yellow Devil
Bass - ice and Yellow Devil

MegaMan 1

Cutman - Yellow Devil
Gutsman - Yellow Devil
Iceman - Yellow Devil
Bombman - ice
Fireman - arkman
Elecman - Yellow Devil

MegaMan 2

Metalman - Yellow Devil
Heatman - Yellow Devil
Bubbleman - Yellow Devil
Airman - Yellow Devil
Quickman - arkman
Woodman - Yellow Devil
Crashman - arkman and Yellow Devil
Flashman - Yellow Devil
Wily/Alien - Yellow Devil

MegaMan 3

Hardman - Yellow Devil
Sparkman - Yellow Devil
Snakeman - arkman
Needleman - Yellow Devil
Topman - Yellow Devil
Shadowman - Yellow Devil
Magnetman - arkman
Geminiman - Yellow Devil and ice (clone)

MegaMan 4

Toadman - Korby/CutmanMike
Brightman - Ivory/CutmanMike
Pharaohman - Ivory
Ringman - Ivory/CutmanMike
Dustman - Yellow Devil/Cutmanmike
Skullman - CutmanMike
Diveman - Korby/CutmanMike/Yellow Devil
Drillman - Ivory/CutmanMike

MegaMan 5 - organized mainly by Korby

Gyroman - Korby
Napalman - Korby
Gravityman - Mr. X
Stoneman - Mr. X
Crystalman - Ivory
Starman - Ivory
Chargeman - Yellow Devil
Waveman - Yellow Devil

Megaman 6 - Chimera Man and his bro King Yamato

Blizzardman - arkman
Knightman - arkman
Flameman - King Yamato
Yamatoman - King Yamato
Knightman - King Yamato
Plantman - King Yamato
Windman - King Yamato
Centaurman - King Yamato

Megaman 7 - 

Rockman Killer Numbers

Enker/Punk/Ballade - King Yamato
Quint - Yellow Devil

SPECIAL THANKS

ice - sprites for huds, Megaman C, and others.
Chimera Man - hudsprites among other general sprites.
Myroc, Celebi, Kenkoru, Thatguy74, Bikdark, Muzaru - testing
Megaman - changes to Megaman C!
Metallix - Heatman dashing sprites
Squidgy617 - For use of his Megaman?, Helmetless Mega/Protoman and Breakman skins.
CutmanMike, Tsukiyomaru0, ice, King Yamato and arkman - Numerous fixes, plus being helpful
JaxOf7 - Sprites for Airman's altfire (that weren't used) for Enker/Punk/Ballade-alt, and for Junkman's HUD.
Fanewgie - Proto Jet sprites
DoM - Power/Jet Megaman Skins.
Mr. X - Dr. Wily skin.
Brawlman - Pharaohman hover sprites!
Jack Corvus - NOTHING. Okay, MM6 Sounds.
SickSadWorld - Energy Balancer.
Megaman Powered Up Team - Oil Slider/Time Slow.
Mr. Joe - Megaman Powered Up HUDs / some MM7 HUDS.
DarkAura - NeedleMan alt HUD, Magnet Alt rotations & HUD
Yellow Devil - idea :)