Italian, dumb, Luigi’s brother, addicted to spaghetti Male

Italian, scared, Mario’s brother Male

Austrialian, shy, loves ducks and video games Female

Inkling turned human, sporty, competitive, can’t cook, only makes microwaveable noodles Female

Fishy Boopkins is naturally happy, optimistic, and friendly but rather unintelligent. He is shown to enjoy playing with his toys, which implies that he is somewhat childish. However, like Bob Bobowski, he secretly craves attention and being noticed. Boopkins is also a weeaboo because he keeps a huge collection of Dakimakuras and cardboard cutouts of anime girls, and considers them "waifus", though most of these have since been burned by Saiko and the Anime Secret Service. Male

Bob is a homeless and idiotic degenerate Garo who also craves attention. Male

Japanese, Hot-headed fighter, best friends with Meggy, Tari, and Melony. Female

Originally, Melony was an inanimate watermelon After the Fierce Deity Mask landed on her, Melony has turned into an anime girl Despite being in her early 20’s, she has the mentality of an eight year old, innocent. Female

SMG4 is usually portrayed as either the only sane man or as a stereotypical meme-loving addict. In earlier appearances, SMG4 was constantly annoyed with most of his friends' flaws and stupid behaviors; SMG4 dislikes Mario's stupidity, Luigi's childishness, Toad's grumpiness, Steve's randomness, Peach Toadstool's bossiness, Fishy Boopkins' naiveté, and Bob Bobowski's selfishness (which is he ironically responsible for). Male

SMG4’s rival, former villain Female