| No. 000 Protoman | Also known as breakman(or Blues in Japan), he was the first robot created by Dr. Light. He was first introduced in Megaman 3 and is Megaman's brother. |
| No. 001 Megaman | Rock was an assistant robot to Dr. Light. After Dr. Wily reprogrammed six construction robots to take over the world, he volunteered to become Megaman to stop Dr. Wily and his robots. |
| No. 002 Roll | Dr. Light's house-keeping robot. |
| No. 004 Gutsman | Gutsman was a wilderness reclamation robot before Dr. Wily reprogrammed him. |
| No. 005 Iceman | Iceman was a antarctic investigation robot before Dr. Wily reprogrammed him. |
| No. 007 Fireman | Fireman was originally a waste disposal robot before Dr. Wily reprogrammed him. |
| No. 014 Flashman | From Megaman 2. |
| No. 015 Heatman | From Megaman 2. |
| No. 022 Snakeman | From Megaman 3. |
| No. 026 Pharoahman | From Megaman 4. |
| No. 031 Diveman | From Megaman 4. |
| No. 032 Skullman | From Megaman 4. |
| No. 041 Blizzardman | From Megaman 6. |
| No. 043 Flameman | From Megaman 6. |
| No. 049 Freezeman | From Megaman 7. |
| No. 050 Junkman | From Megaman 7. |
| No. 051 Burstman | From Megaman 7. |
| No. 052 Cloudman | From Megaman 7. |
| No. 053 Springman | From Megaman 7. |
| No. 054 Slashman | From Megaman 7. |
| No. 055 Shademan | From Megaman 7. |
| No. 056 Turboman | From Megaman 7. |