Snake Man (DWN-022) is a Robot Master created by Dr. Wily and one of the eight selectable bosses of Mega Man 3. He is a devious combatant that likes to corner his foes before destroying them. He is the first Robot Master with an animal-based design.
- Search Snake - Small robotic probes that look like snakes. They slide quickly across floors and on walls to attack enemies. Mega Man can copy this weapon and it is even effective against Snake Man himself.
- Needle Cannon - Snake Man is vulnerable to Needle Man's weapon.