Comment on Sing recast characters by JinxBatstar
Brian as Mike is perfect since they're both voiced by Seth MacFarlane and both of their voices are actually Seth's natural voice.
Yeah, because it made sense that Brian and Mike love to sing the same genre as Frank Sinatra and Brian is classy and charming too. 
What other characters besides Brian do you like as a Sing character?
Rosita is pretty cool. So is the gorilla
You mean Johnny? Yeah, I knew I had to find someone that wants to have a better future.
Yeah