BLOOM - She is the main character of the series.  She is a full human from Earth and has some mysterious dragon fire powers.  She is hot tempered since she uses fire magic.

STELLA -  She is the blonde one.  She is more concerned about fashion more than anything.  She acts kind of like a rich spoiled girl who is into fashion but is always there for her friends.  She comes from Solaria and her powers come from the sun and moon. 

FLORA -  She comes from the 5th moon of Marigold.  Her magic powers come from plants and flowers.  She is calm, patient and optimistic. 

MUSA - She is the fairy of Melody.  She really enjoys music and it influences her moods.  She is very observant and is not afraid to stand up for herself.  She comes from the Harmonic Nebula

TECNA - She is the pink haired one but she has a hat when she transforms.  She is a technology geek.  She excels in math, science and analytical problem solving.    She comes from The 3rd Vector of the Binary Galaxy.  Her powers come from anything digital.  She has a type of glider instead of wings.  

ICY  - She is the light-blue-haired witch of the Senior
Witches. She is also the evil Head Leader of the
Senior Witches and always has a big smirk on her face.
Icy is very strong when she uses her frigid attacks.

DARCY - The brownish-blonde-haired with of
the Senior Witches. Darcy uses confusing, psychic and
dark powers to try and ruin everything that the Winx
does. Darcy is very independent and is pretty smart
but in an evil way too.

STORMY -The dark-blue-haired witch of the
Senior Witches that has puffy hair. She happens to be
one of three witches in the Senior Witches who has a
bad temper when something goes wrong that she must
have.

BRANDON ? - Brandon is the coolest of all the specialists.  He is very strong yet seems to keep his good sense of humor and happy attitude.  He has a secret that is not revealed until the last episodes of season 1.