Gen V seems to have the best Pokemon ever and the ugliest all crammed together, imo. :U Well, anyway:
Likes: Daikenki family, Serperior family, Eelektross, Reshiram, Krookodile, Zoroark, Blitzle, Swanna, Leavanny, Lilligant, Archeops, tons more.
Dislikes: Kink family, Garbodor, Sawsbuck...