http://www.pokecheck.org/?p=detail&uid=1669431 - Pokemon comes from Winner's Path on PokeWalker. Only way for Horsea to know Muddy Water legitimately.
http://www.pokecheck.org/?p=detail&uid=1669438 - Also from the Winner's Path. Will know Imprison this way.
http://www.pokecheck.org/?p=detail&uid=1669443 - Group B Yellow Forest Pikachu. Volt Tackle & Fake Out can be legitimately learned in this way.
http://www.pokecheck.org/?p=detail&uid=1669444 - Other Group B Yellow Forest Pikachu. Flail can be legitimately learn in this way also...
http://www.pokecheck.org/?p=detail&uid=1669446 - Group A Yellow Forest Pikachu. Surf can be learned this way to...
http://www.pokecheck.org/?p=detail&uid=1669447 - Other Group A Yellow Forest Pikachu. Can learn Fly this way...
Sabresite's legal.exe really doesn't like PokeWalker Pokemon does it?
Edit: More errors.
http://www.pokecheck.org/?p=detail&uid=1669514 - I found this Shiny Dunsparce inside a Smashable Rock. A ROCK of all things. What are the odds...
Edit: (╯°□°)╯︵ ┻━┻
http://www.pokecheck.org/?p=detail&uid=1669564 - This is Brock's Rhyhorn from HG/SS. It is suppose to know Thunder Fang.