Celeste Singer is the primary antagonist of The Trench. She is known to try to seduce Jonas Taylor into loving her instead of his own wife. She is also known to have been in a relationship with Michael Maren. She is the adopted daughter of Benedict Singer, who she murdered after learning that he was the reason for her mother and her lover's death and that he was actually her biological daughter.

she was killed by Angel near the end of The Trench