Stewie, equipped with his teddy bear, Rupert and his laser gun, has, on several occasions, almost single handedly taken over the world and he seems to be obsessed with world domination and matricide. Although he has remained physically one year old since " Chitty Chitty Death Bang ", mentally he seems much older, even proclaiming in " I Never Met the Dead Man " to be shooting on a fifth grade level. Stewie is well-spoken, with an advanced vocabulary, an upper-class British accent and an ambiguous sexual orientation. He refers to Peter often as 'The Fat man' and his mother by her given name, Lois.
Stewie Griffin - Wikipedia
Peter decides to build a multiplex to top Joe's new home theater , but comes across an Indian skull in his backyard and desecrates it. As a result, a poltergeist haunts the Griffins' house and spirits drag Stewie away to the other side, followed by even stranger events. The episode's name comes from and the plot closely follows that of the movie Poltergeist. The episode received mixed reviews. After Joe builds a home theater system, Peter decides to build a multiplex in his backyard out of spite. While digging, Peter finds the skull of a Native American buried in the backyard. Brian frequently urges him to return the skull to its resting place, but Peter treats it as a novelty playing with it, urinating in it, wearing it as an athletic cup, etc.
Stewart Gilligan "Stewie" Griffin  is a fictional character from the animated television series Family Guy. He is voiced by series creator Seth MacFarlane and first appeared on television, along with the rest of the Griffin family , in a minute short on December 20, After the pilot was given the greenlight, the Griffin family appeared in the episode " Death Has a Shadow ".