Rulue is Arle's rival and is a powerful martial artist. She's madly in love with Satan, which means she'll pretty much do anything he says. Most of those orders involve hassling Arle, which Rulue has no problem with given that she's jealous of Arle's magical powers.
Rider is a shy, female student in Primp Town. She wears a bizarre hair style which she uses to hide her horns (as she is ashamed of them.) She also wears clothing with very long sleeves as to never reveal her hands or arms - It is generally believed that she has irregular limbs, though any potentially related official information is currently unavailable for English consumption. Her ears are long, elfish and fur tipped at the end. Her dress, at least in Puyo Puyo Fever, appears to be a sort of jumper/tent dress or apron on top of a sweater. Her attacks includes: Vento, Uragano, Tifone, Tuono and Arcobaleno.
Klug is a male denizen of Primp Town. He is known to be stuck up and rude, and is commonly perceived as a geek or nerd, or a "goody two shoes". He has brown hair and is clad in purple. The book he is always seen carrying is actually from the library, and he continues to keep it through renewal. His birthday is September 29th, the same day as Onion Pixy's. His name in german means clever.