Link combo: Get person to 20-30%, then grab, throw-down, up-B or Smash up-B, down-B or Smash down-B, then Smash A, and A again if opponent does not fly far off, and then if still near, use the Spin attack. That can get them alot of damage in just around 5 seconds.
Credit for Sig & Avy goes to Yogi_Bear