Top picks for Nemesis?

Some seem to be trying to hit less popular champs, I had Trundle picked for me twice (someone dodged the second game though QQ) the guys seriously sleeper OP.

Instead of just weak I try to pick high skillcap, high knowledge, or low scaling champs. I wouldn't even be opposed to tossing zed to a random person if he weren't so popular.

Shaco, Eve, and Janna are my top 3 picks. I just ban out random champs and lulu because she's weekly free and people think she's weak until she unloads a can of AD whoop*** on them. I had one of my Janna picks go Janna mid but go FULL recommended build.