Alright, I'll dump some here.
1) When I played a two-weapon ranger themed as a gruff sheriff.
Spoiler
2) When I played a wizard. We were all supposed to play good aligned for the purposes of the campaign, I was on the excessively neutral side of neutral good. The ultimate goal of the character was to be able to cast any spell ever.
Spoiler
3) When I played a rogue with a utility belt of various items for all situations.
Spoiler
4) Lastly, when I tried to play an insane wizard... which was a mistake.
Spoiler