Giga Mac

Giga Mac is a giant, monstrous version of Little Mac first appearing in the multiplayer mode in Punch-Out!! for the Wii. He also appears as Little Mac's Final Smash in Super Smash Bros. for Nintendo 3DS / Wii U. Like Giga Bowser, Giga Mac's attacks are more powerful and have greater range, with some of his attacks being able to potentially make 1-hit KOs when fully charged. The Straight Lunge also charges at a much faster rate.

Along with the power boost, Giga Mac also moves faster, and does not flinch from taking damage. However, he does not have a Power Meter, and his aerial attacks are still very weak.

Giga Mac is unaffected by Metal Boxes, as he never gains a metallic appearance, even in a Metal Special Smash. He's also unaffected by Super Mushrooms, Poison Mushrooms, and Lightning, but his size can be altered by playing a Giant or Tiny Special Smash.