I think everyone needs an Altiverse version of themselves.  Altiverse Mars would be like the Phone Guy from Five Nights At Freddy's and Altiverse Aqua would act like a neglectful mom.  

Fuseblawb Gypsum... getting to turn into her would be Spinel's dream because she would be like the perfect poltergeist, but she'd probably fail hard at actually scaring anyone. [@Loony]