Ledgic is a character that appears in Dragon Ball GT and DragonBall NG. He first appears as Lord Don-Kee's bodyguard but later resigns after fighting Goku and starts a rivalry with him. He later comes to Earth and becomes one of the next generation Z-Fighters.
Black Star DragonBall Saga
Ledgic is the first enemy Goku fights in GT. He proves to be a powerful opponent but Goku easily overpowers him by transforming into a Super Saiyan and defeats him. Don Kee tries to bribe Ledgic but Ledgic refuses and leaves Don Kee's service and says he would like to fight Goku again.
Evil Dragon Saga
Ledgic is seen in a prison with Don Kee and his servants as they give Goku energy for the Univeral Spirit bomb so he could finally destroy Omega Shenron.
Android #27 Saga
One Hundred Years after Goku first fought him, Ledgic comes to Earth wanting a rematch (knowing of Saiyan's long lifespans) and mistakes Goku Jr for Goku. Goku Jr was no match for him even as a Super Saiyan but manages to overwhelm Ledgic as a Super Saiyan 3. Ledgic then understands that Goku Jr couldn't be Goku because even as a Super Saiyan 3 Goku Jr wouldn't be able to beat Goku's base form. Ledgic then finds Goku but loses against him. Ledgic then spectates with many other fighters as Goku and Vegeta who are both Super Saiyan 6 fight against Android #27. Ledgic later stalls the android along with Nuova Shenron so that Goku and Vegeta can fuse and manages to wound #27 by using the diamond like weapon attached to his shirt to scratch #27's cheek. Goku and Vegeta then fuse to become Super Saiyan 6 [[Gogeta and overwhelm #27. They then defuse but Goku and Vegeta still manage to win since #27 had been badly wounded from the battle.
True ultimate Dragon Saga
Ledgic spectates as Goku and Vegeta go into battle against Ultimate Shenron Jr.