Who is the TV star from said hiddy ho?

The TV star who used to say 'hiddy ho' isHowdy Doody. Howdy Doody was a children's television show that aired on NBC from 1947 to 1960. The show was hosted by a marionette character named Howdy Doody, who was voiced by puppeteer Bob Smith. Howdy Doody was a mischievous and fun-loving character who often used the catchphrase "hiddy ho." The show was very popular with children and was one of the first shows to feature a marionette character as the host.