Actress Christine Cavanaugh, known for lending her voice to several popular ‘90s cartoons, passed away on Dec. 22 at the age of 51, the Los Angeles Times reported. The cause of death hasn't been revealed.

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Cavanaugh made many children smile as the voice of Dexter on the science fiction animated series Dexter's Laboratory, Chuckie from Rugrats, Oblina from Aaahh! Real Monsters, the Library Kid from Recess and several more. Cavanaugh, who started her career in the ‘80s, was also the voice of the piglet in the 1995 film Babe.

She also had appearances on ER, The X-Files and Cheers, before she retired in 2001 in order to be closer to her family.

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Cavanaugh is survived by her father, brother, sister and several nieces and nephews. Although she didn't have any children of her own, she was the godmother to her friend's daughter.

Many took to Twitter to remember the woman who brought joy to many people’s childhoods.

Relive the magic of Chuckie below: