Luigi's Mansion/Portrait Ghosts

Throughout the game, Luigi meets various residents of the mansion, in the form of "portrait ghosts." Unlike normal ghosts, portrait ghosts don't expose their heart easily.

Neville

 * Full Name: Neville, the Bookish Father
 * Room: Study
 * HP: 100
 * Expose Heart: Neville will expose his heart when he yawns, which can only be triggered if the player faces away from Neville for a few seconds.

Lydia

 * Full Name: Lydia, the Mirror-Gazing Mother
 * Rooom: Master Bedroom
 * HP: 100
 * Expose Heart: The player can blow the curtain in front of the window back, which results in a gust of wind causing Lydia to panic.

Chauncy

 * Full Name: Chauncy, the Spoiled Baby
 * Room: Nursery
 * HP: 100
 * Expose Heart: After Chauncy attacks using the bouncing balls, Luigi can suck one up and shoot it back at Chauncy, exposing his heart.

The Floating Whirlindas

 * Full Name: The Floating Whirlindas, the Dancing Couple
 * Room: Ballroom
 * HP: 100
 * Expose Heart: One of the trickier portrait ghosts to capture, the Floating Whirlindas expose their heart when they finish their dance sequence, denoted by a "Ahhh!". The player must be standing on the spinning platform with them.

Madame Clairvoya

 * Full Name: Madame Clairvoya, The Freaky Fortune-Teller
 * Room: Fortune-teller's Room
 * HP: 100
 * Expose Heart': Once the player collects all 5 objects dropped by Mario, Madame Clairvoya willingly gives herself up to the Poltergust 3000.

Melody Pianissima

 * Full Name: Melody Pianissima, the Beautiful Pianist
 * Room: Conservatory
 * HP: 100
 * Expose Heart: The player must turn on all musical instruments within a short time to have Melody spawn at her piano. Initially she is very friendly and quizzes the player on the selected piano tune she plays (Mario-themed). If the player gets it right, she'll attack them using note sheets. When the player sucks up all the note sheets, Melody will throw a fit at her piano, which exposes her heart.

Shivers

 * Full Name: Shivers, the Wandering Butler
 * Room: First Floor Hallways
 * HP'100
 * Expose Heart: Using the fire element, the player must shoot the torch Shivers is carrying, which will cause him to panic and run towards the storage room. Once he sits down, he begins hopping around, allowing the player to capture him.

Mr. Luggs

 * Full Name: Mr. Luggs, the Glutton
 * Room: Dining Room
 * HP: 100
 * Expose Heart: After sucking up all the food from his plate, Mr. Luggs will attack by spitting fireballs from his mouth. Occasionally, he'll tire out, which allows for the player to being pursuing him.

Spooky

 * Full Name: Spooky, the Hungry Guard Dog
 * Room: The Boneyard
 * HP: 100
 * Expose Heart: The player, using their recently acquired water element, must "water" the backyard, causing a skeleton ghost to appear. Once the ghost is defeated, a bone falls in the backyard, which Spooky will lick continually, exposing his heart.

Bogmire

 * Full Name: Bogmire, the Cemetary Shadow
 * Room: Graveyard
 * HP: 100
 * Expose Heart: When Bogmire summons multiple shadows, Luigi can suck one up and throw it at Bogmire, leaving him exposed.

Biff Atlas

 * Full Name: Biff Atlas, the Bodybuilder
 * Room: Rec Room
 * HP: 100
 * Expose Heart: The player can punch the punching bags towards Biff Atlas to knock him on the ground. After the third hit, the player can begin capturing him.

Nana

 * Full Name: Nana, the Scarf-Knitting Granny
 * Room: Nana's Room
 * HP: 100
 * Expose Heart: The player can topple the bowl with balls of yarn in it. The player can then suck up the balls of yarn and shoot them at Nana three times.