Voice actress June Foray passed away at the age of 99-years-old Thursday.

The vocal talent was best known for her work on Rocky And Bullwinkle, where she played chipper Rocky the flying squirrel and Soviet femme-fatale Natasha.

Her death was confirmed by dear friend Dave Nimitz on his Facebook who wrote 'With a heavy heart again I want to let you all know that we lost our little June today at 99 years old.'

In memory: Voice actress June Foray passed away at the age of 99-years-old Thursday

June was a force to be reckoned with in the animation community, with hundreds of credits to her name, including iconic characters like Cindy Lou from How the Grinch Stole Christmas and Looney Tunes' Witch Hazel.

She was also one of the original members of Hollywood's animation guild ASIFA and was essential to the Oscars adding the Best Animated Feature category in 2002.

In 2013 a documentary about the Massachusetts native's life called The One and Only June Foray was released.

Squirrly girly! The vocal talent was best known for her work on Rocky And Bullwinkle, where she played chipper Rocky the flying squirrel and Soviet femme-fatale Natasha

Join the club! Foray was one of the original members of Hollywood's animation guild ASIFA and was essential to the Oscars adding the Best Animated Feature category in 2002. Above she's seen posing with TV legend Ed Sullivan and fellow voice talents Stan Freberg and Daws Butler

What a character! June was a force of nature, with hundreds of credits to her name, including Cindy Lou from How the Grinch Stole Christmas (left) and Looney Tunes' Witch Hazel (right)

ASIFA president Jerry Beck called June 'one of a kind,' adding that she was 'A trailblazer, a great talent and a truly wonderful person. We will never forget her.'

Even in her later years the voice actress kept busy.

In 2000 she returned to the role of Rocky J. Squirrel in the live action-animation hybrid The Adventures of Rocky and Bullwinkle opposite IRL actors Robert De Niro, Jason Alexander, Rene Russo and more.

A real gem! ASIFA president Jerry Beck called June (pictured in 2000 above) 'one of a kind,' adding that she was 'A trailblazer, a great talent and a truly wonderful person'

Veteran voice! Even in her later years the voice actress kept busy, returning to the role of Rocky in 2000's live action-animation hybrid The Adventures of Rocky and Bullwinkle (above)

In 2013 she told Variety 'I’m still going,' revealing 'It keeps you thinking young. My body is old, but I think the same as I did when I was 20 years old.'

June also published two bestselling books during her life: a collection of essays titled Perverse, Adverse and Rottenverse and her autobiography Did You Grow Up With Me, Too? The Autobiography of June Foray.

Foray was married twice in her life, first to Bernard Barondess from 1941 to 1945 and later to screenwriter Hobart Donavan from 1954 until his death in 1976, but never had children. She is survived by her sister Geri.