Some Mothers Do 'Ave 'Em recurring catchphrases include references to "a bit of trouble", which usually implies some sort of undisclosed digestive disorder, and to the cat having "done a whoopsie" (presumably a euphemism for having defecated in an inappropriate place, on one occasion in Spencer's beret). If Frank is pleased (or confused) about something, he will often use the catchphrase "Mmmm — nice!" or "Ohhh — nice!" Despite his unfailing ability to infuriate people, Frank is essentially a very sympathetic character, who inspires much affection from his ever-loving and patient wife, Betty. He also venerates the memory of his late mother, Jessica, and worships
Norman Wisdom the United States to star in a Broadway production of the Jimmy Van Heusen and Sammy Cahn musical comedy "Walking Happy". His performance was nominated for a Tony Award. This led to Wisdom's being cast in his first Hollywood movie, "The Night They Raided Minsky's" (1968). Back in England he tried to change his image slightly in "What's Good for the Goose" (1969), which featured a topless scene, but it was financially unsuccessful. Wisdom was one of several actors initially considered for the role of Frank Spencer in "Some Mothers Do 'Ave 'Em", however he turned the role down and