|Birth:||September 26, 1977 (age 36)|
|Portrays:||Margaret SquarePants, Betsy Krabs|
|List of episode credits|
Sirena Irwin (born September 26, 1977) is an American voice actress who voices the characters Margaret SquarePants, Betsy Krabs, the original Miss Appear, Magic Conch Shell, Mabel, Squidette, Minnie Mermaid, Nancy Suzy Fish (mostly), and Mrs. Crossing Guard.