| Gain | |
| |
| Japanese Name | {{{kana}}} |
| Leader | {{{leader}}} |
| Affiliates | {{{affiliates}}} |
| Located | Coral Reef and Lobber's Cave |
| Related Enemies | {{{subspecies}}} |
| Notable Members | {{{members}}} |
| First Appearance | Densetsu no Stafy |
| Latest Appearance | Densetsu no Stafy 4 (mentioned) |
Gain is a snail-like enemy in the Game Boy Advance games. While it's found in Coral Reef in Densetsu no Stafy, it's found in Lobber's Cave in the next two games.