Here's the ones I guessed without checking this thread:
Azurill - Speed-X
Shaymin - Sloane
Tirtouga - Elbus
Swoobat - PXR
Scolipede - Xanthe
Gardevoir - Sammy
Reuniclus - Fate
Jirachi - Fake Eric
Shuckle - Max
Leafeon - Cleobel

Very proud of myself.