<Li> Tucker Thurgood Marshall Dobbs (Tahj Mowry): Ben's best friend and roommate . Tucker is friendly towards everybody as long as they don't eat his food . Tucker has a love - hate and somewhat teasing relationship with Mrs. Wheeler . Ben encouraged Tucker to drop out of law school to pursue a career in television . When his father, Marshall Dobbs (Phil Morris), finds out about this he is at first furious and disowns Tucker . Mr. Dobbs later approves of Tucker's career in the same episode . Tucker has multiple relationships throughout the series but ultimately ends up with Sondra, a talkative fellow tenant whose voice is extremely shrill . </Li> <Li> Daniel Mellencamp "Danny" Wheeler (Derek Theler): Ben's older brother, who is a professional hockey player for the New York Rangers . His little brother looks up to him, and is sometimes envious of Danny being better at everything . It is mentioned many times that Danny is their mother's favorite son, so much so that Mrs. Wheeler sometimes says she only has one son . In Season 4, Danny purchases Ben's place of employment, "Bar on B", for Ben . Danny has also been in love with Riley ever since he was six . Danny and Riley eventually end up together in seasons 5 . In the season 5 finale, it is revealed that Riley is pregnant after Danny and Riley become very serious . During Season 6, Danny and Riley get married, and have a son . </Li> <Li> Bonnie N. Walker (née Prapinski; previously Wheeler) (Melissa Peterman): Ben and Danny's mother . She is a happy, outgoing, loud, and dramatic person who has a kind heart . Bonnie loves her kids and her granddaughter more than anything . She loves to drink; her favorite wine is chardonnay . It is hinted many times throughout the series that Bonnie might have a drinking problem . Bonnie has an on and off relationship with Brad Walker since season 3 . She later marries Brad in an elevator . She had originally wanted to be a model but those plans changed after having Danny . She later became a realtor . Bonnie is in love with Bon Jovi, so much so that she named her second son "Benjamin Bon Jovi Wheeler". She describes herself as "a beautiful young woman with goals and ambitions ." </Li> <Li> Riley Perrin (Chelsea Kane): Ben's close friend and Danny's best friend since they were little . Although Riley dates Ben on and off during the first few seasons of the show, she falls for Danny towards the end of Season 4, and subsequently begin a relationship with him . During the Season 5 season finale, it is revealed that Riley is pregnant . Danny and Riley get married in Season 6, and she gives birth to their son in the series finale . It has been said that she was extremely overweight in high school and, in the season 3 episode "Romancing the Phone" she says she lost 90 pounds . When they were kids, her nickname was "Rigantor" and could beat up the boys, enjoyed watching professional wrestling with Danny, and played field hockey as well as street hockey . She is highly intelligent . Despite having some difficulty with the LSATs, she did well enough to get accepted into law school . Riley is also extremely competitive . She has liked Ben ever since they were young, but only Danny initially knew . In the episode "Send in the Clowns", it is revealed that her aunt was her real mother . In the episode "House of Cards," she mentions a sister, presumably her cousin in reality, whom she claims to "hate". </Li>

Who plays ben's mom on baby daddy