Learn to love his range, and keep his high priority move (The jab) in mind at all times. Like all characters, and more importantly, all heavies, you need to have a good handle of your character's spacing or your giant frame will find you eatting a lot of damage. Don't approach with the Down-B while your opponent is at low percents, as the kick keeps carrying you in the direction that your opponent is knocked back in. Learn to LOVE the U-air, it's amazing (It may not seem like it at first, but you'll see soon enough), and try not to decay the D-air so much, it's an amazing killing move, and surprisingly good at punishing people who dodge roll or spot dodge too much.