Pikachu

*Pikachu (Pokémon) (the Pokémon species)
**Ash's Pikachu (character from Pokémon the Series)
**Pikachu (PokéPark) (character from the Poképark spin-off games)
**Detective Pikachu (Detective Pikachu) (character from the Detective Pikachu spin-off games)
***Detective Pikachu (Legendary Pictures) (character from Pokémon Detective Pikachu)