Robert Earl Holding was an American businessman who owned Sinclair Oil Corporation whose logo features the silhouette of what?
Sinclair Oil Corporation Sinclair Oil Corporation is an American petroleum corporation, founded by Harry F. Sinclair on May 1, 1916, as the Sinclair Oil and Refining Corporation by combining the assets of 11 small petroleum companies. Originally a New York corporation, Sinclair Oil reincorporated in Wyoming in 1976. The corporation's logo features the silhouette of a large green dinosaur.
Mr. Horsepower Mr. Horsepower is the cartoon mascot and logo of Clay Smith Cams, an auto shop established in 1931. He is a sneering, cigar-smoking bird with red feathers and a yellow beak. The image is a caricature of legendary hot rod guru Clay Smith (1921-1954), well known for his red hair. Mr. Horsepower is rarely without a cigar, but when he is, he has a "cigar replacement" - such as a candy cane for the holidays.