By Yelena Mandenberg An adorable 30lb cat nicknamed ‘Frosty’ has found a furrever home, with his chubby frame attracting the attention of a petsitter who knew she could give the kitty a better life. A two-year old, 28.5-pound cat was brought into the Richmond Animal Care and Control shelter by someone who saw the big guy wandering the streets. “We were like, ‘Oh my gosh, look how huge this cat is!'” RACC Outreach Coordinator Robin Young said. The cat earned the name “One Frosty Too Many,” with workers imagining that the cat had gotten too many of the Wendy’s treats. Frosty is triple the normal…