Doner knows how many licks it takes to get to the center of a Tootsie Roll Pop. W. B. Doner & Company, doing business as Doner, is one of the largest independent advertising agencies in the US. Responsible for the famous Tootsie Roll Pop owl campaign, it provides creative ad development and campaign management services, along with media planning and buying. The firm also created iconic campaigns for clients such as Timex ("Takes a licking and keeps on ticking") and Klondike Bar ("What would you do for a Klondike Bar?").