Bouldergeist's Mansion

Bouldergeist's Mansion is the first mansion visited and, as the name implies, belongs to Bouldergeist himself. This is the mansion where Luigi fights Shadow Bouldergeist and receives the key to the second mansion.

Normal Ghosts

 * 1) Gold Ghosts
 * 2) Purple Punchers
 * 3) Blue Twirlers
 * 4) Garbage Can Ghosts
 * 5) Ceiling Surprises
 * 6) Purple Bombers
 * 7) Bowling Ghosts
 * 8) Speedy Spirits
 * 9) Grabbing Ghosts (white, red, turquiose, purple)

Other Spooks

 * 1) Bomb Boos
 * 2) Shadow Bomb Boos

Boss Ghosts

 * 1) Shadow Neville
 * 2) Shadow Lydia
 * 3) Shadow Nana
 * 4) Atomic Bomb Boo
 * 5) Shadow Grimmly
 * 6) Shadow Henry & Orville
 * 7) Sue Pea
 * 8) Shadow Chauncey
 * 9) Ultimate Shadow Neville
 * 10) Ultimate Shadow Lydia
 * 11) Ultimate Shadow Nana
 * 12) Shadow Atomic Bomb Boo
 * 13) Ultimate Shadow Uncle Grimmly
 * 14) Ultimate Shadow Henry & Orville
 * 15) Ultimate Shadow Chauncey
 * 16) Shadow Bouldergeist

Trivia

 * Oddly enough, Sue Pea is the only boss other than Atomic Bomb Boo who is not a Shadow Spirit. This could mean she escaped from her painting.