Mawile @ Life Orb  
Ability: Sheer Force  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Play Rough  
- Iron Head  
- Sucker Punch  
- Swords Dance  

Mawile @ Leftovers / Rocky Helmet
Ability: Intimidate  
EVs: 248 HP / 8 Atk / 252 Def  
Impish Nature  
- Stealth Rock  
- Iron Head / Play Rough / Foul Play / Seismic Toss
- Knock Off / Super Fang / Pain Split
- Toxic / Taunt / Knock Off