Mike is Bloom's adoptive Earth father and a fireman. He constantly views Bloom as a little girl. He is voiced by James Patrick Stuart in Nickelodeon.
Vanessa is Bloom's adoptive mother, a florist.
Mitzi is Bloom's former classmate.
Macy is Mitzi's younger sister.
Jason Queen is a recording artist who discovers Musa's talent and decides to make her a pop star.
Andy is Bloom's ex-boyfriend from high school. He is voiced by Gianluca Crisafi
Klaus, also known as Rick in Nickelodeon's dub, is Morgana's husband and Roxy's dad.
Artu is Roxy's pet dog. Ivan Andreani voices Artu in the Italian version. Artu has brown fur and pitch-black eyes. Like Kiko, he displays an unusually high amount of intelligence for a dog, but only Roxy notices this.
Fairy Pets appear in season 4, where they are initially soft toys but brought to life by the magic of Winx Club.
Belle the Sheep is a white lamb with orange/yellow eyes and green hair with two red bow ties on either side, and she loves adventure and always tries to make fun out of everything. She is Bloom's pet.
Ginger the Poodle very pampered, Ginger just loves new outfits or accessories. She is very similar to Stella in terms of being more concerned for her appearance then much anything else. Like Milly, she usually fights for Kiko's attention. Ginger is shown to also be very lively. She is Stella's pet.
Coco the Kitten Like Flora, Coco shares her love of plants and flowers. She loves to cuddle with those around her, no matter their alignment or personality. She is Flora's pet.
Pepe the Bear is a small brown teddy bear with big purple or light green eyes and pink ears. Pepe loves to dance, but sometimes eats a little too much. She is Musa's pet.
Chicko the Duckling is a small yellow duckling with orange eyes and a small hairband on top of her head that ties together three little hairs. She is very much into video games and technology just like Tecna, but also loves to play and is very lively. She is Tecna's pet.
Milly the Bunny She is a white bunny with light pink hair, blue eyes and two orange hair ties on her ears with yellow flowers on each. She enjoys working out and fights for the attention of Kiko. She is Aisha's pet.