Lynch already knew
Samuel J. Comroe, who has
Tourette syndrome and who frequently performed stand-up at the Flappers Comedy Club. They became friends, encouraged each other, and in the early 2010s began touring the comedy club and college circuit together, with material poking fun at their disabilities. The latter half of their sets frequently featured Question and Answer comedy sessions, followed by a meet-and-greet. He performed 500 sets in 2014 alone. "I've done shows in living rooms, cancer units and laundromats," he said. That year, he also appeared in
The Makings of a Stand-Up Comedian, a
documentary film about thirteen comedians all at different stages in their career. During Lynch's routine at a September 2025 show in
Spokane, Washington, a man in the audience suffered a heart attack. Lynch stopped the show while others performed
CPR on the man, eventually saving his life. Lynch credited the audience afterwards for their quick thinking, and personally went to visit the man in the hospital.
''America's Got Talent'' Among thousands of other competitors, Lynch auditioned for season 10 of ''America's Got Talent'' on May 26, 2015. His jokes drew standing ovations, and the audience chanted "Send him through!", signalling that they wanted unanimous approval from the judges. When the judges (
Howard Stern,
Heidi Klum,
Mel B, and
Howie Mandel) gave their reactions, Mandel hit the show's "Golden Buzzer", sending Lynch straight to the quarterfinal live shows at
Radio City Music Hall. Lynch competed in the quarterfinals, semifinals, and finals. His quarterfinals appearance, on August 11, consisted of joking about his service dog Stella, with the punchline a joke about having a cat with Tourette's, an in-joke for his friend Comroe. His semifinals and finals competitions, held September 1 and 15, were again about his stuttering. Lynch consistently drew standing ovations and was among the top five performers. In the end, he finished in second place behind ventriloquist
Paul Zerdin. In 2019, he appeared on ''
America's Got Talent: The Champions''. After his
AGT success, Lynch moved back to Las Vegas, where he performed live shows. Later, he returned to Los Angeles to work on new projects.
YouTube Lynch has a YouTube channel at which he posts content, mostly in the style of self-deprecating and observational comedy, with over 2.5 million subscribers (as of August, 2025). He said in 2022, "People think I grew my audience on ''America's Got Talent
. I actually grew my audience on YouTube. When I got done with AGT'', I had 80,000 subscribers, which is a lot. Now I have over 2 million. ... I bought cameras that I couldn't afford. I got editing software that I knew nothing about... I would just vlog about a new experience once a week." starring his service dog Stella, whose wry and snarky responses to his conversations with her appeared in
speech balloons. Lynch told an interviewer that she excelled as an emotional support dog, because he could lie down and say "comfort" and Stella would come close for as long as he needed. Stella had first become famous with Lynch's ''America's Got Talent'' quarterfinals appearance, in which he joked, "People are crazy, because they'll come up and ask questions to my dog. ''I'm'' the one that can talk... kinda." Fans saw in his videos that, talking to Stella, he didn't stutter nearly as much. Lynch created an
Instagram page for her,
Stella Lynch, Queen of the Internet (@morefamousthanmydad). Beginning in December 2017, Lynch starred in a
flash animation series named
Therapy Dog, created with animator Tony Celano. The series was about a character called Andy (Lynch) recounting his daily struggles with his dog acting as his therapist. ==Albums==