GACKT! / Burp Beam (LV1)
A Captain Sword (Captain Commando, Marvel vs Capcom) inspired move and essentially a super version of the BLORK!, Buu charges up and then shoots out a multi-hitting energy beam from his mouth. It starts out being launched diagonally into the air and then Buu angles it downward until it's horizontal. The beam's damage is based on distance; doing more damage the closer the enemy is to the orgin of it (closer to Buu). Hold the Punch button you used to activate the move to charge it up. This leaves you completely vulnerable but firing a charged version does more hits and damage.
Vice Shot (LV1)
Buu teleports into the air and then charges and fires a multi-hitting electric sphere diagonally to the ground, knocking the opponent away with the last hit. When performed in the air, Buu will teleport to the ground and launch the sphere horizontally. A very fun move to play around with and use in combos.
Heavy Rain (LV1)
A tamed-down version of Buu's Human Extinction attack, he fires off a volley of energy blasts straight into the air (these can hit the opponent). After a short while, these blasts come raining down on top of the opponent. (It vaguely homes in on their position) If you have the time and distance to perform it, use it. A good pressure move to force the opponent into blocking.
Madman's Ball (LV1)
Buu's going bonkers! An on-acid version of his Maniac Ball, Buu bounces around the stage on an extremely high speed, knocking the enemy silly. Wheee!
Pain Train (LV1)
Buu powers up, emitting a pink glow, then charges forward in an unstoppable trot! The enemy will get knocked down upon the first contact, then get trampled on for additional hits and damage until Buu crashes head-first into the wall, knocking him back. This means the move will be most effective the longer the stretch of stage ahead of you is. The Pain Train has 1 hit of armor and is unblockable.
Angry Vice Shot (LV2)
After launching and connecting with his first Vice Shot, Buu will automatically teleport again and launch another Vice Shot.
Flesh Prison (LV2)
Air-to-air tool. Buu shapes himself into a kite and flies forward. If he touches the enemy, he wraps himself around them. This works as a throw, so it's unblockable. After forming a ball around the enemy, they try to punch their way out unsuccessfully. Buu puts an end to their struggle by blowing himself up!
Kill You (LV3)
Time to get nasty! Buu first stuns the opponent with a mighty shout. Then, he shoots into the air, forming into a stream of goo, before returning back down, aimed directly at the opponent's head. He then violenty enters their body through their mouth. While inside, he punches, kicks and knocks them around! That's got to hurt the intestines. When he's bored, he exits the opponent's body and reforms.

When performed during Gum Mode, it has three possible Finishers depending on how far the Gum Bar is filled;
Lv1 - Vanishing Ball.
Lv2 - Chocolate Revel.
Lv3 - Human Extinction Attack.