Complex sentence: Several more Topsy's were opened and eventually renamed Oscar's (after Peterson's middle name), and by the late 1940s the Oscar's locations had developed a circus-like décor featuring drawings of a starry-eyed clown.
Split into simpler sentences: Several more Topsy's were opened and eventually renamed Oscar's (after Peterson's middle name). By the late 1940s the Oscar's locations had developed a circus-like décor featuring drawings of a starry-eyed clown.