â¢ Friedrich and Olejniczak, Evaluation of Carcinogenicity Studies of Medicinal Products for Human Use Authorised by the European Centralised Procedure (1995-2009) Regulatory Toxicology and Pharmacology, 2011 â(94/144) 65% cmpdstested positive, but only (11/94) 11% considered to hold human relevance 6
Talk0 Share. Clarabell the Clown was the mute partner of Howdy Doody. Three actors played Clarabell. The first was Bob Keeshan, who later became Captain Kangaroo. Keeshan was succeeded by Robert Nick Nicholson, who also played the character of J. Cornelius Cobb on The Howdy Doody Show.
Mini Bio (1) She was truly one mother of a mom...on stage, on film and on TV. A favorite firecracker on 80s and 90s television, tiny character player Estelle Getty became best known for her carping, meddlesome moms -- complete with bemused, cynical looks, irreverent digs and dead-pan Henny Youngman-like one-liners.