Dark Vegan was a Villain from the show Johnny Test. He's an important player in Smash Bros Lawl Infinite's events in Universe 6.
Smash Bros Lawl Infinite: War in Universe 6[]
In this war he's known as Darth Viridis and appears trying to kill the warlord Lord Rasetsu, who is rescued by the Catwoman, one of his minions and later he retreats.
Dealing with a Predacon[]
Later, Darth Viridis is encountered by Frost, who comes to offer him an alliance so that he could help his father, King Vega, in taking down the Predacon leader Megatron. Before he could decide, they are attacked by a new Predacon known as Plouton. After a hard fight, both Frost and Darth Viridis manage to defeat him, almost killing him and they join forces to deal with Predacon Megatron and his forces.