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"Lucy, I'm home!" was Desi Arnaz's signature catchphrase on the iconic sitcom "I Love Lucy." The phrase became synonymous with the character Ricky Ricardo, played by Arnaz, and his exasperated reaction to his wife Lucy's (Lucille Ball) antics. The line captured the essence of their playful and chaotic relationship, and it remains one of the most recognizable and beloved catchphrases in television history.