Neutral: Chainsaw Throw
Side: Chainsaw Uppercut
Up: Caltrop Burst
Down: Grenade Drop
Punch Time Explosion: He says "Bet you never 'SAW' this!" Hoss then climbs in his truck and grabs some weapons, bursts out and shoots chainsaws in all directions.
Synergy: He partners with Panini. She feeds him one of her biscuits, and he seems to enjoy it. Panini dumps all her biscuits into Hoss's arm cannon and he will shoot them out, similar to Solid Snake's Final Smash.