List of Two and a Half Men characters

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The American sitcom Two and a Half Men, created by Chuck Lorre and Lee Aronsohn, premiered on CBS September 22, 2003. Lorre and Aronsohn are also its executive producers. The show initially centers on seven characters: the brothers Charlie and Alan Harper; Jake Harper, the son of Alan and his first ex-wife; Judith Harper-Melnick, Alan's first ex-wife, Herb's ex-wife, and Jake and Milly's mother; Rose, one of Charlie's previous one-night stands who continuously stalks him; Evelyn Harper, Charlie and Alan's wealthy, five-time widowed, bisexual mother, and Jake's grandmother; and finally Berta, Charlie's sharp-tongued housekeeper, who later joins the main cast starting with season 2 after playing a major recurring role throughout the first season. In season 9, the show is revamped when Charlie is struck and killed by a moving train. Walden Schmidt replaces him as the new owner of the beach house. He is a recently divorced internet billionaire. In season eleven, Jake moves to Japan and leaves the series. To replace "the half-man", Charlie's long-lost-daughter moves into the beach house after looking for her late father.

Over time, several supporting characters have been promoted to starring roles: Berta (recurring in season 1, regular in seasons 2–12), Charlie and Alan's (and later Walden's) sharp-tongued housekeeper; Kandi (recurring in season 3, regular in season 4; guest in seasons 10 and 12), one of Charlie's former one-night stands and later on, Alan's second ex-wife; Chelsea (recurring in season 6, regular in season 7, guest in season 9), Charlie's second most notable love interest (after Rose), and ex-fiancée; Walden Schmidt (seasons 9–12), an internet billionaire who buys Charlie's beach house after his death; Jenny (seasons 11–12), Charlie's illegitimate daughter from a one-night stand twenty years before; finally, Louis (season 12), the 6-year-old boy that Walden decides to adopt. The show also features numerous supporting characters, each of whom plays a prominent role in a small group of episodes.