Tetris Attack 3: The Koopatrol Menace

Tetris Attack 3: The Koopatrol Menace (Japanese version: Yoshi no Panepon 3: Basilisx in the Spike of the Fire (ヨッシーのパネポン３： バシリシッキッシで火の穂六先 Yosshī no Panepon San: Bashirishikkisshi de Ho no Oroku Saki, romanized as Yossy's Panepon 3: Basilishikissy in the Six Flames))

Pals
The following characters can only be used in the VS game modes.
 * Yoshi
 * Poochy
 * Lakitu
 * Chomp
 * Grim Leecher
 * Bumpty
 * Bigger Boo
 * Birdo

Rivals
Note: All rival characters can only be used in the 2P Mode.
 * Naval Piranha (Can be unlocked if beating a game in EASY mode)
 * Kamek (Can be unlocked if beating a game in EASY mode)
 * Gabriel the Koopatrol (Can be unlocked if beating a game in EASY mode)
 * Bowser (Can be unlocked if beating a game in NORMAL mode)
 * King Boo (Can be unlocked if beating a game in NORMAL mode)
 * Salvo and Stanley the Slime Brothers
 * Salvo the Slime (Can be unlocked if beating a game in NORMAL mode)
 * Stanley the Slime (Can be unlocked if beating a game in NORMAL mode)
 * Dark Yoshi (Can be unlocked if beating a game in NORMAL mode)
 * Potted Ghost Brothers
 * Roger the Potted Ghost (Can be unlocked if beating a game in NORMAL mode)
 * Rafe the Potted Ghost (Can be unlocked if beating a game in NORMAL mode)
 * Raimund the Potted Ghost (Can be unlocked if beating a game in NORMAL mode)
 * Basilisx (Can be unlocked if beating a game in HARD mode)
 * Popple (Can be unlocked if beating a game in HARD mode)
 * Midbus (Can be unlocked if beating a game in HARD mode)
 * Fawful (Can be unlocked if beating a game in HARD mode)
 * Cackletta (Can be unlocked if beating a game in HARD mode)

Pals' Partners
Note: The pal characters' Partners are the helpers to pal characters for game modes sometimes.
 * Little Yoshi - Yoshi's Partner
 * Grinder - Poochy's Partner
 * Goonies - Lakitu's Partners
 * Dr. Freezegood - Bumpty's Partner
 * Goombas - Chomp's Partners
 * Eeries - Grim Leecher's Partners
 * Ravens - Bigger Boo's Partners
 * Piranha Plant - Birdo's Partner

Rivals' Partners
Note: The rival characters' Partners are the helpers to rival characters for game modes sometimes.
 * 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
 * Koopatrols - Basilisx's Partners

Characters who possess other characters

 * King Boowser - King Boo who possesses Bowser
 * Bowletta - Cackletta who possesses Bowser
 * Dark Bowser - Dark Star who possesses Bowser's DNA
 * Dark Yoshi - Dark Star who possesses Yoshi's DNA
 * Basilisx - The transformation of Koopatroll that possesses Koopa Troopa due to the metamorphosis
 * King Boowletta - King Boo who possesses Bowletta
 * Hades - The metamorphosis that possesses the fusion of King Boowletta, Dark Bowser, Dark Yoshi and Basilisx due to Dark Star's powers
 * Hadark Star - Dark Star who possesses the Hades