Here's Mario if he was in 5 Volt's creepy nighttime design.
This is fully based off of the the Game and Wario minigame: Gamer.
Here's the story. Mario tells Luigi not to eat his spaghetti that he's saving for the morning.
But later that night, Luigi sneaks into the kitchen and grabs out Mario's spaghetti and starts to eat it. But Mario is very serious about his spaghetti, so when he comes by, Luigi has to hide it so Mario doesn't see it.
And since this is GaW Gamer logic, Mario can look through or open an window, open an door, or even go through the TV.
And don't worry, since Luigi and Mario lives together, Luigi is free to stay up all night whenever he wants to.

Mario is from the Super Mario franchise, and the character that's named 5 Volt comes from the Warioware series.