Butler and Corey Vidal developed a documentary called Vlogumentary on a $200,000+ budget that was funded with an Indiegogo campaign and raised by mostly from his viewers.

After graduating from Highland High School, Butler served a full-time, two year mission in Barbados, Trinidad and Guyana for the Church of Jesus Christ of Latter-day Saints.

[11] Prior to appearing on YouTube, Butler installed granite countertops for a living and worked as a school bus driver.

[8] In November 2009, he collaborated with Midi Mafia to create a flash mob at Planet Hollywood in Las Vegas.

[17] Butler and his wife, Colette, ran a podcast called "When the Kids Go to Sleep", where they interviewed YouTubers and celebrities such as Terry Crews and Bas Rutten.

[18][19][20] Butler sometimes creates sponsored videos, in which he promotes brands or companies in exchange for financial benefits,[21] including with General Electric,[22] Foot Locker,[21] Kia[23] and Skype.

[27] International Business Times ran a story about Carl allegedly exchanging sexual messages through Twitter with an adult webcam model named Aria Nina.

[34] Butler's son, Brock, has been noted as the internet's "first Truman baby" as his life has been documented since birth.

[41] Butler originally moved out to Los Angeles in 2009 to form the company Maker Studios, along with friends and fellow YouTubers Lisa and Ben Donovan, Dan Zappin, Philip DeFranco and Kassem Gharaibeh.

[44] During its 25th season, America's Funniest Home Videos, whose YouTube channels are being managed by Maker Studios since January 2014,[45] promoted its brand via two web series, one of which will be created by Butler.