Mario

Mario is one of the supporting character of The Master Plan Series. He's shown up in two episodes as the main characters. He showed up in the follow-up prologue and he's also been in his own episode about him going to Wendy's for some strange reason. He shows relation to SMG4's Mario, though at times he can be much like his usual self. Though not completely cause he's been seen with rocket launcher's and shotgun's.

Prologue - Part 2
In the prologue follow up, Mario becomes the main character alongside Luigi, Toad, and Yoshi. He is about to invite friends over for a Christmas party, though he's interupted as ￼theres a mysterious figure outside. Mario throws Toad at the figure, then gets Luigi and Yoshi to go outside and finish him off. Yoshi stands up to the figure, it's one of Haley's more intelligent minions, Jerry. Then he sets Yoshi on fire, finishing him off easily. Toad and Luigi then look at Mario, expecting him to deal with Jerry. Mario simply says "fuck no" and Jerry is already gone with Kleiner, all the presents, and the Christmas tree. Mario gets a plane, crashes it into Jerry's UFO and they fight him off.

Mario Goes To Wendy's
In the Master Plan Short: Mario Goes To Wendy's, Peach asks Mario if he can get her food. In which he refused and asks if she can get Luigi to do it. Peach then pulls out a shotgun, confusing and scaring Mario into going anyway. As he goes, he decides to go to a Wendy's specifically. He doesn't find one in the town, though he comes across one of Cobra's friends, Hiro. Mario and Hiro communicate and they head off to a Wendy's outside of the town together. They eventually get in a car crash, but Mario just steals someone else's engine. When they arrive to Wendy's. Mario orders a whole buffet and while Hank Hill is in the kitchen, Mario steals the food remaining on the counter and hurries off with it. Making Hank Bill get Ross and chase after them. But Mario just kills them with an Rocket launcher.