Rubby

Rubby (ルビー Rubī) is one of the main mascots in Sign ★ Pretty Cure. He is a male, crab-like fairy who comes from the Moon, and is the partner of Cure Cancer. Rubby complements Netty. He ends his sentences with "~ru".

Appearance
Rubby is a male crab-like fairy. He has a ruby red shell and pear green eyes.

Personality
Rubby is a passionate, vivid, stable, down-to-earth and excited fairy. His high spirit is contagious, and makes everyone around him want to try new things and be more active.

History
Rubby was born in the Moon, where he had a happy childhood. He was always very adventurous and eager to know more things, and he found the story of the Priest Pretty Cure to be amazing and inspirational.

Thus, when the Psyche Thieves started stealing the souls of the humans on Earth, Rubby saw his chance of experiencing something more exciting and different than everything he already had, and left the Moon to go find the new cures and help them save the world.

Etymology
Rubby comes from "ruby", which is the birthstone for the month of July. The gem has a deep red color, and is used for its property of making its user more passionate and excited.