The Many Loves of Dobie Gillis | Jere Gillis | Dobie Gray | Gillis Grafström | Dobie Moore | Ariana Gillis | Alan Dobie | The Affairs of Dobie Gillis | Ransom Gillis House | Margie Gillis | J. Frank Dobie | Gillis van Tilborch, ''The Tichborne Dole | Don Dobie | Dobie Center | Christopher Gillis |
He graduated from radio to television and wrote episodes of The Addams Family, I Love Lucy, Dennis the Menace, Dobie Gillis, Mr. Ed, and many others.
Christensen was married to The Many Loves of Dobie Gillis star Dwayne Hickman from 1963 to 1972.