I play all roles pretty comfortably, but i'll list my best 4-5 champs in each lane.
Top: Nasus (jungle or top), Khazix(mid or top), Zed (mid or top), Riven, Akali (mid or top)
Jungle: Lee Singah, Hecarim, Nautilus, Skarner
Mid: Lux, Ryze, TF, Kat
ADC: Graves, Draven, Kog, Ashe
Support...