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and now that I have had my coffee I'll tell you about these pets as they pertain to jTO.
elica is a promo pet: You go out and buy sphere's newest CD and theres a code in it, enter the code and you get the entertainer elica pet.
the shark girl is one of the 4 sphere promo pets: the group sphere is lending their voices to 4 new pets, these 4 pets will be released and each have one of the girls of sphere speaking through them.
the shark girl may never make it to eTO as the whole point of her is that she has the voice of one of the members of sphere, and if eTO gets their hands on her they will butcher it.