Original Hi-5 members
Nathan Foley
Segment: Shapes in Space (Series 1-10), Fit Bit Tips (Series 10)
- Character Signature Song: "Shapes Are Everywhere"
- Trademark Favourite Food: Chicken
Charli Robinson
Segment: Body Move (Series 1-10)
- Character Signature Song: "Charli's ABC", a song which combines the alphabet with different exercises.
- Genki Girl: Charli is VERY enthusiastic about everything.
- Trademark Favourite Food: Fresh fruit, Thai vegetarian fried rice and chocolate ice cream
Tim Harding
Segment: Making Music (Series 1-9)
- Birthday Episode: He gets one in Series 1.
- Everything Is an Instrument: Tim often made music with things that viewers could easily find around the house.
- Signature Instrument: His guitar!
- Trademark Favourite Food: Pasta
Kellie Crawford
Segment: Word Play (Series 1-10)
- Affectionate Nickname: Chats usually refers to her as "Kell".
- Character Signature Song: Kellie has two - "Word Game" in Series 2, and "Word Play" in Series 4.
- Trademark Favourite Food: Chicken and rice
Kathleen de Leon Jones
Segment: Puzzles and Patterns (Series 1-8)
- Character Signature Song: "You Can't See Me", sung as a duet between her and Jup Jup.
- Real Life Writes the Plot: Kathleen left Hi-5 in 2006 to have her baby, and this became the main focus of the first two episodes of series 9, with Kathleen introducing Sun and the rest of Hi-5 preparing for her baby shower. She returned for the last episode of series 9 to introduce her daughter, Mikayla.
- Trademark Favourite Food: Thai and Japanese food
Sun Park
Segment: Puzzles and Patterns (Series 9-10)
Kathleen's replacement, who took over her segment for series 9 and 10.- Temporary Substitute: Although Sun was originally introduced as a temporary substitute for Kathleen, she became the main host of Puzzles and Patterns for series 10 before leaving at the end of 2008 alongside Nathan and Kellie.
- Welcome Episode: The first episode of series 9 has Kathleen introducing Sun and asking her to take over her space while she's gone.
Second Generation Hi-5 members
Stevie Nicholson
Segment: Making Music (Series 10), Fit Bit Tips (Series 10-12), Shapes in Space (Series 11-16)
Casey Burgess
Segment: Word Play (Series 11-13)
Tim Maddren
Segment: Making Music (Series 11-13), Fit Bit Tips (Series 11-12)
Fely Irvine
Segment: Puzzles and Patterns (Series 11-13)
Lauren Brant
Segment: Body Move (Series 11-13), Word Play (Series 14)
Hi-5 House members
Dayen Zheng
Segment: Puzzles and Patterns (Series 14-16)
Ainsley Melham
Segment: Making Music (Series 14-16)
Mary Lascaris
Segment: Body Move (Series 14-16)
Tanika Anderson
Segment: Word Play (Series 15-16)
2017 revival members
Lachie Dearing
Segment: Shapes in Space (Series 17)
Bailey Spalding
Segment: Body Move (Series 17)
Joe Kalou
Segment: Making Music (Series 17)
Courtney Clarke
Segment: Word Play (Series 17)
Shay Clifford
Segment: Puzzles and Patterns (Series 17)
Puppets and supporting characters
Jup Jup
Segment: Puzzles and Patterns, The Jupsters
Jup Jup is a mischievous, purple, five-legged alien who lives in the walls of the Puzzles and Patterns set and plays tricks on the presenter of that segment when she isn't looking.- Amusing Alien: Jup Jup is always very entertaining to watch.
- Intrigued by Humanity: Jup Jup's favourite animals are humans, and he is fascinated by them and the things they do.
- Octopoid Aliens: He does resemble a fluffy, five legged octopus.
- Pokémon Speak: A lot of Jup Jup's speech consists of him repeating his own name.
- The Trickster: Jup Jup likes playing tricks on whoever occupies his space, requiring them to come up with a solution to the problem he causes.
- Vocal Evolution: Jup Jup had a slightly deeper voice in the first season.
- His voice later changed when Tim (who was also his puppeteer) left Hi-5.
Chatterbox
Segment: Word Play (Series 1-17), The Chatterbox (Series 14-17), The Jupsters (Series 17)
Chatterbox, or "Chats" for short, is a long-necked creature who lives in a box and enjoys learning about and making up words.In series 14, she also appears in a new segment called the Chatterbox, where she teaches her robot friend Tinka how to speak English.- Affectionate Nickname: "Chats". She also has nicknames for her human friends.
- Birthday Episode: In one series 4 episode, Chats celebrates her fifth birthday.
- Character Catchphrase: "Hey Kell!" during Kellie's run on the show.
- Character Signature Song: See Kellie.
- In addition, there's also Looking For a Friend, a recurring song from series 7, where she meets Jup Jup for the first time. This song was later repurposed into the Jupsters song for series 17.
- Cloudcuckoolander: She has an incredibly vivid imagination.
- Motor Mouth: It's in her name!
- Non-Human Sidekick: Chats is best friends with whoever presents the Word Play segment.
- Vocal Evolution: In series 1, Chats spoke with Charli's normal voice, before becoming much more higher pitched in her later appearances.
- Obviously, her voice also changed slightly when other puppeteers were brought on to play her.
Tinka the Tin Toy Robot
Segment: The Chatterbox (Series 14-17)
Tinka is a tin toy robot who appears in the Chatterbox segment that speaks in beeps and boops. Throughout the course of the series, Chats helps teach her how to speak English.- Character Catchphrase: Bidity beep bop!
- Robot Buddy
Aristotle and Horace
Segment: The Chatterbox (Series 14-17)
Aristotle and Horace are two bookworms who live in Chats' box, and help teach Tinka how to speak English. The Jupsters
Segment: The Jupsters (Series 17)
The Jupsters are Jup Jup's family members, who were first introduced in the "Hi-5 Fairytale" tour and subsequently appeared in the 2017 reboot series. Their names are Jor Jor, Jed Jed, Jru Jru, Jaan Jaan, Jard Jard, Puj Puj and Jin Jinnote .- All There in the Manual: A majority of the information we have about the Jupsters' actual personalities was given to us on the official Hi-5 social media accounts. In addition, these posts give us information about how the Jupsters are related.
- Big Eater: Jru Jru.
- Character Signature Song: "The Jupsters Song", adapted from "Looking for a Friend", which is sung by Chats.
- Octopoid Aliens: Again, like Jup Jup, all of the Jupsters are very octopus-like in appearance.
- Odd Name Out: Puj Puj is the only one who's name doesn't begin with a J.
- Pink Means Feminine: Jor Jor and Jin Jin, the only female Jupsters, have pink fur.
- Pokémon Speak: Like Jup Jup himself, the Jupsters mainly communicate by saying their own names.
- Wise Beyond Their Years: Jaan Jaan is the baby of the group, yet is also an inventor who likes creating things.
