Level 15 Bidoof - Male - Dull Nature - Unaware - Rock Climb

Level 5 Entei - Male - Adamant - Flash Fire -  Crush Claw, Flareblitz, Bulldoze, Fire Fang
NOTE: -4 to all stats until level 25. Then +1 BST every 5 level until normal.

Level 20 Aron - Male - Sassy - Rock Head - Head Smash, Dragon Rush, Body Slam
NOTES: +5 to HP, +4 to Sp.Def