The following is a list of all the characters in the Rhythm Heaven Series, grouped by the game they debuted in.
Note that there are also several one-off characters who appear in various epilogues, Reading Material and the like. They are considered extremely minor characters and are not included here.
Rhythm Tengoku
Sick Beats Doctor and the Viruses
Yellow organism from Sick Beats
Mahou Tsukai, Ojou-chan, and the monster
Rabbit, Turtle and Whale
Q Maou and the Contestant
People at the Café
Rhythm Heaven
T.J. Snapper's girlfriend
Characters from Tunnel
Characters from Glass Tappers
Character from Rhythmove Dungeon
Rhythm Heaven Fever
Monkey and Frogs
Pinwheel Girl and another child
Girl from Samurai Slice 2
Lady golfer from Hole in One 2
Characters from Mochi Pounding
Characters from Kung Fu Ball
Pirate Captain Jackie and her crew
Mr. Hi-Hat and springs
Rhythm Heaven Megamix
Chameleon and Bug
Reporter from Second Contact in Citrus Remix