sentences:  In his last two appearances on the show, Dennis has married an obnoxious Irish-American woman named Megan (whose maiden name is also Duffy) and they have adopted an African-American baby boy whom they call "Black Dennis".While Dennis is worthless, he did inspire Liz to finally declare her love for her new boyfriend Criss Chros and, later, to marry him.Dennis also is convinced that Liz converted to Judaism for Criss, despite the fact that neither he nor Liz practice any religion.