His short-form independent cartoons became popular online, such as his animated video responding to overuse of the "
arrow in the knee" meme from
The Elder Scrolls V: Skyrim which went viral in 2011. Along with fellow Newgrounds animator
Chris O'Neill, Hadel created the popular web cartoon series
Hellbenders featuring exaggerated versions of O'Neill and himself, which was picked up for a
pilot by Adult Swim but ultimately not pursued after several years in
development hell. Hadel also collaborated with O'Neill to make a short animated video parodying the
Kony 2012 documentary; the video went viral, receiving over 1.7 million views within its first weekend. Hadel was a member of the YouTube group
SleepyCabin and co-hosted
SleepyCast, a comedy and discussion podcast hosted by former Newgrounds animators that launched on August 30, 2014. , his YouTube channel
psychicpebbles has 1.6 million subscribers and 222.28 million views. Hadel animated a segment of
Seth Rogen's Hilarity for Charity with
Justin Roiland, co-creator of
Rick and Morty. Roiland later appraised the animation as his most transgressive joke. Hadel and Roiland also appeared alongside animator
Alex Hirsch on
h3h3's livestream podcast for charity where they raised over $100,000 for
California wildlife relief. Hadel hosted the podcast
Schmucks from 2017 to 2019, where he interviewed fellow entertainers such as
Michael Stevens,
Finn Wolfhard,
Jon Jafari, and
Ethan Klein. In 2018, Hadel storyboarded for
SpongeBob SquarePants for the
season 11 episode "
The Grill is Gone".
Smiling Friends On April 1, 2020,
Cartoon Network's late-night
Adult Swim block premiered the pilot episode of Hadel and Australian animator
Michael Cusack's animated adult television series,
Smiling Friends. The series follows Pim and Charlie, two employees of the titular
nonprofit organization missioned with making people smile. The series premiered with a full season marathon on January 9, 2022, and later debuted on
HBO Max. Adult Swim announced that the show would be renewed for a second season on February 9, 2022. Adult Swim renewed the show for a third season on June 13, 2024. Despite the show being renewed for two more seasons, Cusack and Hadel confirmed the third season would be the final one in the series, citing burnout and emphasis on quality over quantity. == Filmography ==