Let's see...
-Klink, Klang, and Klinklang (so creative )
-Dugtrio (It's just three Diglett!!!)
-Magneton (same reason as Dugtrio)
-Stunfisk (What were they thinking?!?)
-Scraggy and Scrafty (A.K.A Swag pokémon)
-Luvdisc (Pointless and utterly useless)
-Trubbish + final evo (Just a trash bag)
-Arceus (needlessly overpowered)
-Tornadus, Thundurus, and Landurus (Copy-->Paste-->Recolor
-Uxie, Mesprit, and Azelf (same reason above)