- (This article is about Debra's father. For Ray's old friend from high school, see Warren (friend).)
|Full Name||Warren Whelen|
|Number of episodes||11|
|Relatives||Wife - Lois Whelen|
Daughter - Debra Barone
Daughter - Jennifer Whelen
During the series Warren and Lois are generally avoided by the Barones, except for Debra, who is frustrated by both Ray's and Marie's immature attitudes towards their in-laws. Warren is a loving father toward Debra, although Debra and her sister, Jennifer, as well as Ray refer to him as having "drinking problems".
Warren enjoys the finer things in life, and often looks down upon those who don't. He enjoys traveling around the world.