In "A Streetcar Named Desire," what is the name of the character who often represents decay and loss?

In "A Streetcar Named Desire," Blanche DuBois is the character who embodies the themes of decay and loss. Her arrival in New Orleans symbolizes not only her personal decline but also the fading grandeur of the old Southern aristocracy. Throughout the play, her fragile mental state and her dependence on illusions reflect her inability to cope with the harsh realities of life. Blanche's tragic backstory, including the loss of her family estate, Belle Reeve, and her relationships that have crumbled, further emphasize her representation of decay. The contrast between her genteel aspirations and the gritty reality of her surroundings highlights her profound sense of loss, both in her past and in her present circumstances. This poignant representation resonates with the broader themes of the play, making Blanche a central figure in exploring these motifs.