Jimmy Arias, known online as “JimmyisaGeek,” is a Los Angeles–based online personality and host.

He has hosted live fan panels and Q&A sessions with actors and creators from some of the most beloved franchises in pop culture, including Pokémon, Hunter x Hunter, RWBY, My Hero Academia, Power Rangers, Super Sentai, Dragon Ball Z, Avatar: The Last Airbender, The Grim Adventures of Billy and Mandy, and Johnny Bravo.

Online, Jimmy is best known as the former host of Off The Shelf on One Dream Studios, a weekly show that recapped the latest news in geek culture. He also cohosted Kamen Rider Korner on Pop Culture Renegades, where he and his fellow hosts discussed and reviewed episodes of Kamen Rider (Build).

In addition to his hosting work, Jimmy has appeared in several online projects, including Cholo Adventures, High School Sucks: The Musical, and Video Game High School (VGHS). He is also a frequent guest on Most Extreme Ranking Challenge, where his humor and deep pop culture knowledge make him a standout personality.