A member of the Grimoire Heart Guild who has the ability to materialize anything in his imagination.
RustyRose, who is created Hiro Mashima, has no information regarding inspiration used to created him. He first appears Fairy Tail volume 25 and episode 101. His Japanese voice actor is Kazuma Horie. It's assumed that Hiro Mashima based RustyRose's character on his previous work, Julius from Rave Master, because they both talk in floral scenes and play with their hair.
Rustyrose uses his imagination to create things. He explains that his ability has limitations, but he has not specify them.