May 6, 2015 12:06 PM EDT

The documentary I Am Big Bird, out on May 6 in theaters, VOD and iTunes, takes a look at the life of Caroll Spinney, the man who has brought life to Sesame Street‘s Big Bird and Oscar the Grouch since the first season of the show in 1969.

Take a look back at the legendary puppeteer’s career playing these iconic characters.

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