Brennan Lee Mulligan discusses the Rat Grinders' sinister origin in Dimension 20: Fantasy High Junior Year and what he hopes to explore in the future. Dimension 20: Fantasy High Junior Year is available now on Dropout. Read our full interview and article here: https://screenrant.com/dimension-20-fatnasy-high-junior-year-brennan-lee-mulligan-interview/ https://screenrant.com https://www.facebook.com/ScreenRant https://twitter.com/ScreenRant https://instagram.com/ScreenRant