Rebecca Bunch is a fictional character from the television series Crazy Ex-Girlfriend. She is portrayed by actress Rachel Bloom and is known for her complex personality and emotional struggles. The show follows Rebecca as she impulsively moves to California in pursuit of her high school boyfriend, Josh Chan, leading to various comedic and dramatic situations. Throughout the series, Rebecca grapples with issues such as mental health, relationships, and self-discovery. The show is notable for its musical elements, with Rebecca often expressing her feelings through original songs. It explores themes of love, identity, and the consequences of one's choices.