. . "Van Oyen appeared on camera on the long-running Dutch children's series Pipo de clown, starring as the title character in the 1970s. He was also heard dubbing such animated series as Heidi (Dr. Claussen), Calimero, and others, and was frequently heard narrating audio books."@en . "Cees van Oyen (born March 9, 1936 - November 9, 2007) was a Dutch actor."@en . . "Cees van Oyen"@en . . "Cees van Oyen (born March 9, 1936 - November 9, 2007) was a Dutch actor."@en . "Van Oyen appeared on camera on the long-running Dutch children's series Pipo de clown, starring as the title character in the 1970s. He was also heard dubbing such animated series as Heidi (Dr. Claussen), Calimero, and others, and was frequently heard narrating audio books."@en .