Students of Konoha:
Kiba: Akamaru (Male Dog)
White fur, except the ears which are brown. Grows and shrinks size, physical attacks.
Shino: Matsui (Male Beetle)
Large black beetle, about the size of a person's hand. Allows Shino to control other insects.
Naruto: Gamakichi (Male Toad)
Orange red, with black markings. Controls fire, grows and shrinks in size, can speak in human tongue.
Sasuke: Manda (Male Snake)
Purple and black anaconda. Amplifies Sasuke's abilities, grows and shrinks in size, can speak in human tongue.
Gaara: Shukaku (Male Red Raccoon)
Red and white. Controls wind, and can create a barrier, speaks in human tongue.
Neji: Takamaru (Male Hawk)
Solid brown. Allows Neji to see what it sees, creates winds with its wings.
Kyuubi: Ayame (Female Fox)
Small red fur, with black tipped ears, tail, and feet. Amplifies Kyuubi's abilities and can create a barrier.
Itachi: Susanoo (Female Crow)
Black. Creates illusions, and allows Itachi to see what it sees.
Shikamaru: Kage (Male Owl)
Great horned owl. Wise, allows Shikamaru to see what it sees.
Choji: Kintoki (Male Panda cub)
Black and white. Defensive abilities, amplifies Choji's physical strength, shrinks and grows in size.
Kankuro: Kuroari (Male Raccoon)
Grey, black, and white. Creates barriers and can talk in human tongue.
Lee: Taiki (Male Turtle)
Green, sits on Lee's shoulder. Creates barriers and amplifies Lee's abilities.
Sai: Yoshi (Male Lion)
Tan, darker mane. Grows and shrinks in size (cub to full grown lion). Fights alongside Sai, defensive and offensive abilities.
Deidera: Kimi (Female Cockatoo)
White, with yellow crest feathers. As the ability to blow things up using its sound waves, ability can be turned on and off at will.
Students of Suna:
Ino: Umeko (Female Boar)
Black. Increases Ino's strength, changes size.
Sakura: Nariko (Female Golden Lemur)
Golden. Creates a barrier and heals Sakura.
Tenten: Nerugui (Ferret)
Tan and black. Increases Tenten's speed.
Hinata: Tobimaru (Female Hawk)
Brown with a white face. Allows Hinata to see what he sees, creates a wind barrier.
Temari: Kamatari (Male Weasel)
White and black. Uses a scythe to fight alongside Temari, grows and shrinks in size.
Ni: Akina (Female Dog)
Grey, with dark grey fur on their necks and heads. Physical assistance in battle.
Instructors at Konoha:
Jiraiya: Gamabunta (Male Toad)
Red. Grows and shrinks in size, shoots fire, uses a sword, speaks in human tongue.
Gai: Ningame (Male Tortoise)
Red and yellow. Increases Gai's physical strength and speed.
Kakashi: Pakkun (Male Dog)
Tan pug with darker brown ears. Speaks in human tongue, increases Kakashi's speed.
Iruka: Hoshi (Male Cat)
Black with a white star on his forehead. Grows and shrinks in size (panther and house cat sized), fights alongside Iruka.
Yamato: Ginkgo (Male Fox Squirrel)
Grey, with yellow tinge to cheeks and underbelly. Increases Yamato's control over plants and creates a barrier.
Genma: Keiji (Male Rat)
White. Increases Genma's speed and gives Genma the ability to control lightning.
Raido: Naoki (Male Owl)
Snow owl. Allows Raido to see what it sees. As the ability to create a shield of snow and wind.
Asuma: Ryu (Male Iguana)
Green. Amplifies Asuma's control over the wind, grows and shrinks in size.
Sasori: Hiruko (Male Macaw)
Mainly red with blue wing feathers. Talks in human tongue not like a parrot, creates a barrier.
Kabuto: Hakuja (Male Snake)
An albino snake. Talk in human tongue, enhances Kabuto's abilities.
Instructors at Suna:
Tsunade: Kastuyu (Female Slug)
White and blue. Grows and shrinks in size, heals, speaks in human tongue.
Shizune: Tonton (Female Pig)
Pinkish white. Heals.
Kurenai: Geisha (Female Raven)
Black with red eyes. Creates illusions.
Anko: Mai (Female Snake)
Boa, brown. Increases Anko's control over fire, and can increase and shrink its size.
Hana: Haimaru Brothers (3 Male Dogs)
Brown and grey. Assists in battle.
Kotestu: Keiko (Female Cat)
Charcoal grey with green eyes. Talks in human tongue and can cast illusions.
Izumo: Gamahiro (Male Frog)
Aquamarine skin with yellow eyes. Talks in hums tongue increases Izumo's control over water
Other:
Tsume: Kuromaru (Male Wolf)
Whit and bluish grey. Speaks in human tongue, physical assistance during battle.
Aoba: Hiro (Male Crow)
Black with blue eyes. Creates a smoke screen with feathers, can read a person's thoughts (though only when directed to), and likes shiny things.
Suigetsu: Gamatatsu (Male Frog)
Yellow with orange markings. Increases Suigetsu's control over water. Speaks in human tongue.