"Catherine van Woerden performs Ieniemienie on Sesamstraat, the Dutch co-production of Sesame Street. Van Woerden has been performing Ieniemienie since the character's debut in 1980. Her non-Henson TV puppetry credits include Bereboot, Koekeloere and WaWa."@en . . . . . "Van Woerden has been performing Ieniemienie since the character's debut in 1980. Her non-Muppet TV puppetry credits include Bereboot, Koekeloere and WaWa."@en . "Van Woerden has been performing Ieniemienie since the character's debut in 1980. Her non-Muppet TV puppetry credits include Bereboot, Koekeloere and WaWa."@en . "Catherine van Woerden performs Ieniemienie on Sesamstraat, the Dutch co-production of Sesame Street. Van Woerden has been performing Ieniemienie since the character's debut in 1980. Her non-Henson TV puppetry credits include Bereboot, Koekeloere and WaWa."@en . "Catherine van Woerden"@en . . . .