Squidren
he is boring because you spelled his name wrong.
The information that you are currently looking for is not stated in the SpongeBob series, but, if you have seen or heard it, please change this answer to the correct and spelled-correctly answer.
Katherine Stogner's birth name is Katherine Deford.
Katherine Paterson's birth name is Katherine Womeldorf.
Katherine McKalip's birth name is Katherine Payne.
Katherine DeMille's birth name is Lester, Katherine.
Katherine Kotorakos's birth name is Katherine Phy.
Katherine Cassavetes's birth name is Katherine Demetre.
Katherine Chandler's birth name is Katherine Mali.
Katherine Brand's birth name is Katherine Jungbauer.
Katherine Britton's birth name is Katherine Habenicht.
Katherine Pierce's real name is Katherine Petrova