I'm actually getting a little confused about these words' meaning,
The original sentence is:
生まれちゃった☆ じゃねーよ! ハムスターじゃねえんだぞ!
Does じゃねーよ mean "Not....., you know?" Something like that?
Is it a colloquial form of じゃない?
Is じゃねえん also a colloquial form? Does it mean too bad?