Meet Cosmo the Yooyu/Staryu, He's Merc's Pet/Petpet.
I made Cosmos in my style using Anime Studio 11
Colour: Xmas
Elemental Power: Air
Clothing: Holly Decoration
Personality: Sunny
Friends: Casper the Elyllie, Andy the Guppy, Tomby the Ghost, Nova the Galaxy Elyllie, Lyle the Birthday Faellie and Royalblue Tentacle
Family: Merc Otter/Lutari(his owner)
Likes: Petpet Battledome, Sports
Dislikes/Hates: Turmaculus and Petpet Lab Ray
Cosmo © Makatoons (No Stealing!)
Yooyu species © Neopets and JumpStart