Sirena Irwin (born September 26, 1977) is an actress whose credits include Mrs. SquarePants on the animated television comedy, SpongeBob SquarePants. She also voiced Mama Krabs in the episodes "Enemy In-Law" and "Friend or Foe" among many others and also voiced Sqilvia in "Love that Squid" (SpongeBob SquarePants). She was a series regular on Stan Lee's Stripperella as Persephone Cliche and has guest and co-starred in multiple television shows. She was a lead in The Trip, a popular gay film. She currently provides the voices for Mera and Lois Lane in Batman: The Brave and the Bold. In 2012 she premiered the role of Lucy Ricardo in "I Love Lucy: Live on Stage" at the Broadway Playhouse in Chicago. She was awarded Best Actress in a Touring Production at the BroadwayWorld Chicago Awards for the role.
Irwin attended six elementary schools across the states and abroad. One of them was in western Massachusetts, where she attended the Smith College Campus School and graduated along with Uma Thurman, another famous actress. She then went on to attend five more schools before graduating from high school at Northfield Mount Hermon School. She went on to graduate from university with high honors and awards. She was a Phi Beta Kappa graduate.