Tetris Attack 2: Koopa's Attack

Tetris Attack 2: Koopa's Attack (Japanese version: Yoshi no Panepon 2: Nokonoko no Panepon (ヨッシーのパネポン２： ノコノコのパネポン Yosshī no Panepon Ni: Nokonoko no Panepon, romanized as Yossy's Panepon 2: Nokonoko's Panepon))

Pals
The following characters can only be used in the VS game modes.
 * Yoshi
 * Froggy
 * Gargantua Blarrg
 * Lakitu
 * Poochy
 * Raphael Raven
 * Bumpty
 * Flying Wiggler
 * Lunge Fish
 * Koopa Troopa (Can be unlocked if beating a game in EASY mode)

Rivals
Note: All rival characters can only be used in the 2P Mode, five of them can be unlocked alongside one pal character, but except Dark Yoshi and the Potted Ghost Brothers.
 * Hookbill the Koopa (Can be unlocked if beating a game in EASY mode)
 * Naval Piranha (Can be unlocked if beating a game in NORMAL mode)
 * Kamek (Can be unlocked if beating a game in NORMAL mode)
 * Bowser (Can be unlocked if beating a game in NORMAL mode)
 * King Boo (Can be unlocked if beating a game in NORMAL mode)

Pals' Partners
Note: The pal characters' Partners are the helpers to pal characters for game modes sometimes.
 * Little Yoshi - Yoshi's Partner
 * Dr. Freezegood - Bumpty's Partner
 * Eggo-Dil - Flying Wiggler's Partner
 * Clawdaddy - Froggy's Partner
 * Flamer Guys - Gargantua Blargg's Partners
 * Goonies - Lakitu's Partners
 * Grinder - Poochy's Partner
 * Flopsy Fish - Lunge Fish's Partner
 * Shy Guys - Raphael Raven's Partners
 * Snifits - Koopa Troopa's Partners

Rivals' Partners
Note: The rival characters' Partners are the helpers to rival characters for game modes sometimes.
 * Bandits - Hookbill the Koopa's Partners
 * Boos - Naval Piranha's Partners
 * Kamek's Toadies - Kamek's Partners
 * Tap-Tap the Red Nose - Bowser's Partner
 * Big Boo - King Boo's Partner
 * Dark Star - Dark Yoshi's Partner
 * Dark Shy Guys - Potted Ghost Brothers' Partners

Rivals who appear in HARD mode only
Note: If beating the rival characters for HARD mode, so they can only be used in the Profile Mode.
 * Dark Yoshi
 * Potted Ghost Brothers
 * Roger the Potted Ghost
 * Rafe the Potted Ghost
 * Raimund the Potted Ghost