Momma Slog is Slog's mother, who he frequently speaks about throughout the series. She's most notable for making a brand of hot sauce called "Momma Slog's Hot Sauce"
It is unknown whether Momma Slog is living or not. parts of her were only seen in a flashback or two. Although, the way Slog talks about her it makes it seem like she's not living anymore.
- According to the episode The 6th Disgustoid, her name is Bromanor.