Hello, I'm Darienow! Here is the list of Rhythm League members that I think are in the Rhythm League!
- Karate Joe's Master
- The first Clappy Trio Member
- Sarge
- Monkeys from Tap Trial
- Space Gramps*
- Akai Mono Factory chairman
- Host of Tram to Pauline
- Mr. Whale
- Widget Factory chairmen
- The Conductor
- #1 Fan
- The Other Fairies from Wizard Waltz
- Balls from Bouncy Road
- Chairman of Fillbot Factory
- Chairman of Screwbot Factory
- Stars From Night Walk
- Mini Chounchin
- Space Umpire
- The Biggest Penguin
- Cosmic Girl
- Lord of the Palace
- Hunter
- Lord of the town from Iai Giri
- Brown Rats
- Microbe
- Yagura-chan
- Kii-yan
- Quiz Show Host
- The Lord
- The Red RAPMAN
- The Red RAPWOMAN
- The girl in Ninja Reincarnate
- Buta-san
- Usamimi Maki Sensei
- The Barista
- Mr. Upbeat
- Samarai Drummer
- Producer
- Girl
- Note
- Marshall, Cam, and Miss Ribbon
- The opponent Paddler
- Captain Blue Bird
- Shoot-em'-Up Radio Lady
- Male Moai Kid
- Male Guiro Lizard
- Crophopper Pickens
- T.J. Smapper's boss
- DJ Yellow
- Lab Assistant with the tiger mask
- Red Taiko Rally Squad
- The host of Splashdown
- Ecto
- Mister Eagle
- Bnadleader
- Female Frogette
- Space Kicker's Partner
- Bach
- J.J. Rocker
- Monkey from Hole in One
- See From See-Saw
- Male Weasel
- The hand that flicks the peas in Fork Lifter
- Assistant
- The Executives' boss
- Mr. Game and Watch
- Veteran Dough Dudes
- Owner of the Monkey Watch
- Female Monkey from Remix 2
- Monkey from Tambourine
- Forthington
- Owner of the Muscle Doll
- Reporter
- Chairman of the Candy Factory
- Doctor from Micro-Row
- Pinwheel Girl's sister
- Ann Glerr
- Captain Tuck
- Partners of the player-controlled Huebird
- Pitcher and Umpire Monkey
- Controlman From Rhythm Rockets
- Nova
- Alien from Donk-Donk
- MC Adore
- Tapping Instructor
- Shuffle Insturctor
- Cheering Insturctor
- Bunny Man
- Female Dough Dude
- Kappa
- Captain Jackie
- Employee from Police Call