Suggestions by @tzekuanng

Nick Offerman

as Phantom Foxy in Luigi's Mansion

Amber Lee Connors

as Phantom Chica in Luigi's Mansion

Eric Bauza

as Phantom Bonnie in Luigi's Mansion

An Unknown Voice Actor

as Boos and Other Ghost in Luigi's Mansion

Dan Green

as King Boo in Luigi's Mansion

Anya Taylor-Joy

as Princess Peaches in Luigi's Mansion

Keegan-Michael Key

as Toad in Luigi's Mansion

Scott Cawthon

as Belong(s) To: in Luigi's Mansion

Virizion

as Returning Characters in Super Smash Bros. Legacy

Chappie

as DLC Characters in Super Smash Bros. Legacy

Terrakion

as Returning Characters in Super Smash Bros. Legacy

Gengar

as Returning Characters in Super Smash Bros. Legacy

Cobalion

as Returning Characters in Super Smash Bros. Legacy

Rash (Battletoads)

as DLC Characters in Super Smash Bros. Legacy

Maya (Killer Instinct)

as DLC Characters in Super Smash Bros. Legacy

Kim Wu

as DLC Characters in Super Smash Bros. Legacy

Hisako (Killer Instinct)

as DLC Characters in Super Smash Bros. Legacy

Thunder (Killer Instinct)

as DLC Characters in Super Smash Bros. Legacy

Riptor

as DLC Characters in Super Smash Bros. Legacy

Orchid (Killer Instinct)

as DLC Characters in Super Smash Bros. Legacy