Aka breathes in and yells the technique's name when firing a green energy sphere from his mouth. The name of this technique is referencing a stereotypical villain laugh.
Aka uses the Wahaha no Ha in the OVA special Dragon Ball: Yo! Son Goku and His Friends Return!! Enraged after Gotenks propelled him into a lake with his Rolling Thunder Punch, Aka begins to demonstrates a significant devastating power and uses his Wahaha no Ha, which Gotenks accidentally deflects towards the Satan Hotel, but Piccolo used his Special Beam Cannon to break through it.
- ワハハ (Wahaha) = "Evil laugh" / "diabolical laugh" / villainous laugh.
- ノ / の (no) = "Of" / "of the" / "from" / "from the".
- 波 (Ha) = "Wave".
- Super Wahaha no Ha – Aka charges a Wahaha no Ha in his hands and brings it in front of his mouth. Then, he blows the energy sphere in the form of several, compact, powerful energy sphere bullets.
- Flaming Wahaha no Ha – A Wahaha no Ha coated in a flaming layer.