Aliens

Aliens are creatures who comes from other planets. Almost all the aliens in this series are aliens who come from the planet Ata Ta Tiga.

Main in series

 * Fang: Fang was recognised as a normal human school student before, since Episode 1 of Season 2 but it was until his true identity as an alien was revealed in Episode 24 of Season 3.
 * Captain Kaizo: Captain Kaizo is a new character of the series and made his debut on Season 3, Episode 20. He is Fang's older brother. His true identity as an alien was revealed in Episode 24 of Season 3.
 * Lieutenant Lahap: He is shown to be Captain Kaizo's sidekick in his first debut on Episode 24 of Season 3.
 * Adu Du:  Adu Du is 20 alien years, he's a green colored alien. He has appeared since Episode 1.
 * Probe: Adu Du's evil robot sidekick. He has appeared since Episode 1 too.
 * Bago Go:  He is the Dealer of Illegal weapons of Ata Ta Tiga . He is also fond in cheating about the price of his weapons to his buyers. He has appeared since Episode 10.
 * Ejo Jo:  A evil alien. He wears a Red Combat Armor Suit, he has 2 colored red of lines below in his eyes. His eyes are colored red.
 * Tengkotak: A alien group that will make it's first appearance in BoBoiBoy: The Movie

Boboiboy: Arabic

 * Princess Ramla La (رملة لة): Adu Du's friend and 18 alien years, she's a green colored alien.
 * Haneen (حنين): Princess Ramla La's mentor robot and Probe's friend.

Boboiboy: ELS Fams

 * Limau Mau: Adu Du's orange, he's sweet orange.
 * Bella La: Adu Du's stepdaughter.
 * Dodol Dol: Adu Du's brother.
 * Tolol Lol: Adu Du's partner.
 * Boyot: Adu Du's assistant robot.
 * Makcik Cik: Adu Du's aunt and Ibu Bu's sister.

Round Kingdom

 * King Bolu Lu:
 * Bott:
 * Boto To:
 * Kasa Sa:
 * Homa Ma:
 * Dove:
 * Pete:
 * Kraken:
 * Pala La:
 * Taya Ya:
 * Sili Li:

​Minor

 * Female Computer: Adu Du's computer. Mostly used to gain information about BoBoiBoy and his friend.
 * Male Computer: Ejo Jo's computer. Same as Adu Du's computer, but this one more modern looking and can gain more and actual information.
 * Tengkotak's Computer: A analysis computer of Tengkotak. It seems like he is more clever and Strong.