NEW YORK (CBSNewYork) — It’s not easy being green.

The longtime puppeteer and voice of Kermit the Frog is moving on from The Muppets.

Steve Whitmire took over as the voice of Kermit when Muppets founder Jim Henson died in 1990.

He was reportedly chosen by Henson’s son, Brian.

Steve Whitmire, Kermit the Frog

FILE: Muppet Kermit the Frog and his operator Steve Whitmire take questions from the audience November 14, 2003, at Barnes & Noble Union Square. (Photo by Lawrence Lucier/Getty Images)

There’s no word why Whitmire is quitting or what will happen to his other characters including Rizzo the Rat and The Muppet Newsman.

Kermit will now be voiced by another Muppets actor, Matt Vogel.

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