During the Genesis Arc, he started searching for answers about his origins and earned most of his answers in the end, until he put the pieces of the puzzle together and learned the truth behind Eldritch SMG0 at the end of the Revelations Arc. SMG4 enjoys being around the presence of his friends, going on many zany adventures and fighting great enemies in story arcs. Despite this, they are friends in most episodes, especially in the recent ones. SMG4 has been passionate and protective of his work that aside, he seems to play the sane man who is often annoyed or shocked by Mario's crazy, flamboyant idiocy. He is a partly amnesiac meme guardian, Mario's closest ally (rival in the War of the Fat Italians series), the de-facto leader of his gang, and originally SMG3's arch-nemesis.

In the Cosmology Lore, he appears as the deuteragonist of Season 10 and The YouTube Arc, the main protagonist of Season 11, SMG4 Movie: 10 Year Anniversary Special and the Genesis Arc, one of the three main protagonists (alongside Melony and Saiko Bichitaru) of Season 12, one of the four tritagonists (alongside SMG3, SMG1 and SMG2) of the Revelations Arc and the main protagonist of SMG4 Movie: REVELATIONS. SMG4 is a major protagonist in Season 1, one of the two main protagonists (alongside Mario) of Seasons 2-8, the deuteragonist of The Waluigi Arc, a supporting character in The Rapper Bob Arc, one of the main protagonists of Season 9, (alongside Mario) a major character in The Anime Arc, a supporting character in SMG4 Movie: Meggy's Destiny, one of the two main protagonists (alongside Melony) of The SMG4 Cosmology Lore trilogy, the main protagonist of The Lawsuit Arc and the central antagonist of SMG4 Movie: IT’S GOTTA BE PERFECT.

SuperMemeGuardian4, more commonly abbreviated as SMG4 and originally known as SuperMarioGlitchy4, is one of the two main protagonists (alongside Mario), being the titular one, of the SMG4 series.

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