Yes and no.
- Barney the Scottish Terrier (pet of GW Bush) -- died at the age of 12 in 2013
- US actor Don Knotts, who played Barney Fife on the Andy Griffith Show, died age 81 in 2006.
- Barney the Purple Dinosaur -- all of the main actors (2 voice actors) were still alive in 2017
David Joyner (in the suit 1991-2001) - born July 4, 1963
Bob West (voice 1992-2000) - born June 25, 1956
Dean Wendt (voice 2002-2009) - born February 17, 1968
* no biographical data for actors David Voss and Carey Stinson
He found out he had terminal cancer.
The most common suggestion is a waning career.
On Barney Miller, the actor Max Gail played Detective Stan "Wojo" Wojciehowicz.
Carey Stinson wears the Barney costume and Dean Wendt does the voice of Barney as of 2001.
There was an actor named Jack Soo who played in the role of Sgt. Nick Yemana .
He found out he had terminal cancer.
George Sanders was an actor that committed suicide in 1972. He was 65 years old, and left behind several suicide notes.
The most common suggestion is a waning career.
The actor who played barney fell off his roof at 1:27 PM on Tuesday, Dec. 8th! Poor actor...
It is not known for sure why actor Johnathon Brandis committed suicide. It is believed he was suffering from severe depression at the time of his death.
On Barney Miller, the actor Max Gail played Detective Stan "Wojo" Wojciehowicz.
Detective Stan "Wojo" Wojciehowicz was played by Max Gail.
Carey Stinson wears the Barney costume and Dean Wendt does the voice of Barney as of 2001.
There was an actor named Jack Soo who played in the role of Sgt. Nick Yemana .
Brian Eppes
Abe Vigoda He played "Fish" in the 70's sitcom "Barney Miller"
It is believed there are/were several actors involved, common with costumed animal characters.