King Boo is a character of Mario Series, Nintendo
| Mario Characters | |
| Main Characters | Mario • Luigi • Peach • Daisy • Toad • Yoshi • Donkey Kong |
|---|---|
| Antagonists | Bowser • Dry Bowser • Bowser Jr. • Koopalings • Kamek • Wario • Waluigi • King Boo • Petey Piranha • Metal Mario |
| Support Characters | Toadette • Toadsworth • Rosalina • Birdo • Pauline • Professor Elvin Gadd • Diddy Kong • Funky Kong • Dixie Kong • Honey Queen • Lakitu • Wiggler • Luma |