RollBots

Spin: The main character of the series and the last member of the Zushin tribe. The fastest RollBot in Flip City, Spin's bot mods include Skyv boots, hyper-speed, and boomstick.
Captain Pounder: Head of the Kei'zatsu tribe and captain of the FCPD. His equipment includes a shield charger, Torvoldian throwing armour, and thunder punch.
Penny: Originally from the Kuzuri tribe, Penny is a doctor on loan to the FCPD. She was banished from her tribe after interfering with an important surgical operation on Mayor Aria's assistant.
Lance: An office administrator at the FCPD, Lance is from the Kei'zatsu tribe. He is not very strong, cannot roll very fast, and can get scared very easily.
Tinny: A BotTot (young RollBot) from the Kei'zatsu tribe. He is in school, but spends a lot of time with Spin, who lets him try dangerous things.
Bunto: A member of the Kei'zatsu tribe and the FCPD. He is a higher-ranking officer who is often seen commanding a squad of FCPD bots.
Vertex: A notorious villain and Flip City's most wanted individual. He is the main antagonist of the series, and is suspected to be a Spiderbot.
Manx: A renegade Kei'zatsu who is now Vertex's head henchbot. She has previously worked at the FCPD, though her reason for defecting and joining Vertex are unknown.
Botch: A member of Vertex's gang. He is reckless and often makes careless mistakes.
Vett: A member of Vertex's gang. She is a skilled fighter and is often seen leading Vertex's henchbots into battle.