Past guests have included Finn Wolfhard, Jamie Lee Curtis, and 'Weird Al' Yankovic.
Throughout its lifespan, Game Grumps also has had several spin-off shows: NSP and Hanson later collaborated to form the supergroup Starbomb. Grump has been played by Arin Hanson since the show's debut on July 18, 2012, while Not-So-Grump was originally played by Jon Jafari until he left the show on June 25, 2013, at which point he was replaced by Dan Avidan, a.k.a. The co-hosts are referred to in the series' theme song/intro as 'Grump' and 'Not-So-Grump'. The channel updates daily, and now has a favorite episode crowner ! Game Grumps is a Let's Play web series on YouTube where two co-hosts play games together and provide live commentary, with conversations ranging from sophisticated discussions about the design of the games they're playing to bizarre tangents unrelated to anything happening on-screen with plenty of ridiculous screaming and bromance thrown in, producing frequently hilarious and occasionally NSFW results.
