| Bowser's family |
|---|
| Forms, and counterparts |
| Alarm Koopa • Baby Bowser (Mega Baby Bowser) • Black Bowser • Blockhead Bowser • Bowcien • Bowser • Bowletta • Castle Bowser • Dreamy Bowser • Dry Bowser • Fury Bowser • Giant Bowser • Giga Bowser • King Koopa's alter egos • King Tetris • Koopa 3 • Magma Bowser • MegaDragonBowser • Meowser • Paper Bowser • President Koopa • Shiny RoboBowser • Shrowser |
| Current in-game relatives |
| Dry Bowser • Bowser Jr. • Paper Bowser Jr. |
| Former in-game relatives |
| Bowser's Brother • Koopa Kid • Koopalings (Larry Koopa · Morton Koopa Jr. · Wendy O. Koopa · Iggy Koopa · Roy Koopa · Lemmy Koopa · Ludwig von Koopa) |
| Miscellaneous relatives |
| Bowser's cousin • Bowser's father • Bowser's mother • Bowser's sister • Enma Daiō • King Koopa's great-great grandkoop • Poopa La Koopa |
| Pets |
| Mechawiggler • Pookie • Ratso |
| President Koopa's relatives |
| Iggy • Spike |
