His full name is Gil Gunderson as can be read on The Simpsons character list on wikipedia...
gil
Gil (Gillington) Webber
Gil is a Moorish idol .
you could probaly make your last name his middle name and your husbands last name his last name <><><> Assuming your child NOW has a different last name than your current last name, contact an attorney to petition the court for a name change.
Gil is to be found at Amazon.com
Gil Brenton's birth name is Martinez, Gil.
Cindy Gil's birth name is Cynthia Gil.
Gil Portes's birth name is Portes, Gil M..
Adam Gil's birth name is Adam Matthew Gil.
Lucina Gil's birth name is Lucina Gil Mrquez.
Maria Gil's birth name is Gil, Maria Luisa.
Nikki Gil's birth name is Monica Pauline Gil.
Benji Gil's birth name is Romar Benjamin Gil Aguilar.
Gilberto Gil's birth name is Gilberto Passos Gil Moreira.
Maife Gil's birth name is Maria Fernanda Gil Ferrndiz.
Mateo Gil's birth name is Gil Rodrguez, Francisco Mateo.
Elaiza Gil's birth name is Elaiza Carolina Gil Delgado.