Former Massachusetts Gov. Michael Dukakis (D) doesn't think much of a potential 2012 presidential bid from his fellow former Bay State Gov. Mitt Romney (R). 

Dukakis, the Democratic nominee for president in 1988, called Romney "the biggest disappointment I think I’ve ever seen" in an interview Monday with the State House News Service in Massachusetts. 

Asked about the prospect of a Romney presidency, Dukakis said it would be "disastrous." 

Dukakis, unvarnished, spoke warmly of Romney’s father George, who governed Michigan in the 1960s, noting that George Romney’s use of a fuel-efficient car inspired him to court his wife, Kitty, in a “little yellow Rambler convertible.” 

“I thought we were going to get a junior version of George Romney with Mitt,” he said, adding, “There’s no core to this guy ... I think he’d be a disastrous president.”

Mitt Romney’s spokesman fired back in an email to the News Service. “Mike Dukakis sounds like a very angry and bitter old man,” he said. “I think it’s sad.”