American entertainer Finn, who was seen in iconic TV shows such as "Friends", Seinfeld and The Middle, has succumbed aged 60.
The comedy and improvisation performer passed away at his residence in LA on Monday after undergoing cancer treatment beginning in 2022, per reports.
"He never met a stranger - just potential friends he had yet to meet," his family shared in a message.
They noted that he had "embraced life completely - with happiness and energy".
His initial on-screen part was on a show starring George Wendt in 1995, where he played the brother of the main character.
He subsequently landed a repeating character on "Murphy Brown" from 1995 to 1997.
He starred as a party host named Joe Mayo in the show Seinfeld in 1998, portraying a party host who would assign tedious tasks to his guests.
In the late 1990s and early 2000s, he had guest spots on several popular shows, including:
Finn was perhaps best known for playing the character Bill Norwood in The Middle, starring in eight seasons from 2011 to 2018.
His work in movies are It's Complicated (2009) and Santa Paws 2: The Santa Pups (2012).
Outside of his on-screen roles, Finn was deeply involved in improvisational comedy and worked as a teacher at the University of Colorado, where he was a faculty member.
He was involved with a comedy group of six known as Beer Shark Mice.
"Finn taught, supported, and inspired countless students during his career and it would be difficult to find a person anyplace who has anything negative to say about him," his relatives stated.
In a tribute, colleague and actor Richard Kind said there was "not a more kind, gentle, or funny, authentic human being you could encounter".
"Consistently upbeat, helping you be funnier and better. A great dad, a great guy," Kind wrote publicly.
The actor is remembered by his wife Donna, three children, and his parents and siblings.