would be starting a Let's Play series titled Game Grumps through videos on both their channels. On July 18 of the same year, Jafari and Hanson uploaded their first serials of Game Grumps: Kirby Super Star, Mega Man 7 and The Legend of Zelda: A Link to the Past. On the Game Grumps channel, Jafari and Hanson played games together, typically ones that were retro or nostalgic in style, and commented over them with their own comedic inputs. On June 25, 2013, it was announced that Jafari had left Game Grumps in order to focus on JonTron, and was replaced by Ninja Sex Party singer Dan Avidan on the same day. The announcement was met with backlash by certain fans for its sudden and unexpected announcement without any lead-up, as well as the channel announcing the debut of the spin-off series Steam Train on the same day that Jafari's departure was disclosed. Collaborations Jafari has collaborated with multiple YouTube channels, including Ethan and Hila Klein's channel h3h3Productions. From October 2015 to August 2016, Hila Klein was a producer for JonTron. He has made an appearance on James Rolfe's Let's Play series James & Mike Mondays. He made a cameo appearance in Angry Video Game Adventures. Jafari was a featured vocalist in an episode of The Gregory Brothers' viral webseries Songify the News. At the same time, The Gregory Brothers remixed Jafari's review of the bootlegged game, Titenic, and it was released on iTunes. Jafari has done voice-over work for Did You Know Gaming?, covering episodes on The Legend of Zelda, Banjo-Kazooie, Donkey Kong, Pokémon, Pikmin, Animal Crossing, Dragon Quest, Sonic Boom: Rise of Lyric, and games of Disney franchises. He has covered the development of Star Wars for their spin-off series Did You Know Movies? on fellow YouTube channel, The Film Theorists. In 2013, before his departure from Game Grumps, Jafari and Hanson appeared in a promotional video produced by Polaris for the Warner Bros. movie Pacific Rim. Around the same time, Jafari appeared in Ninja Sex Party's music video for "Let's Get This Terrible Party Started", which was directed by Hanson. To promote the 2013 World Series, Jafari appeared in an a cappella cover of "Take Me Out to the Ball Game", produced by PepsiCo and musician Mike Tompkins, and uploaded to Maker Studios' Maker Music channel. In November 2016, Jafari released an album called Love Is Like Drugs