Professor Araragi: Professor Juniper - Fine.
Hiun City: Castelia City - Fine
Chillarmy: Minccino - ... what? Chillarmy was exactly what it was. What is a Minccino?
Gigaith: Gigalith - Fine
Munna: Munna - Fine
Hihidaruma: Darmanitan - Except it's not a Orangutan. It's more like a Gorilla or Baboon. Darmaboon wasn't ok? :/
Meguroc: Sandile - Fine.
Mamepato: Pidove - Ehhh. In retrospect, Hoothoot is imaginative. Pidgey, Taillow, Starly and Pidove. Mmm.
Shimama: Blitzle - Oh, like a horses name. Yeah, I rather Zapra, or anything sounding as if it had anything to do with a Zebra, but fine.
Gear: Klink - Well, Coil became Magnemite, and this one I can name Colonel.
Encourage ability: Sheer Force - Bulbapedia translates it as Brute Force, so may not be all that bad.
Overconfidence ability: Moxie - Fine
Pigeon Heart ability: Big Pecks - Bad pun and Bulbapedia translates it as Pidgeon Breast, so might not be all that bad.
Sweep Slap attack: Tail Slap - Fine
Wild Bolt attack: Wild Charge - Fine
Telekinesis attack: Telekinesis - Fine
And again, the german names are better. :/