Caroll Spinney and Oscar the Grouch at the Daytime Emmy Awards in 2007. After some 50 years on Sesame Street, Spinney is retiring. Noel Vasquez/Getty Images hide caption toggle caption Noel Vasquez/Getty Images Television After 50 Years On 'Sesame Street,' The Voice Of Big Bird And Oscar Is Retiring October 17, 2018 Caroll Spinney, 84, has performed the roles since the show's very first episode. "I will always be Big Bird," he said. "And even Oscar, once in a while!"