<Li> Mike Gay (Tom Papa), Christine's only friend at Westbridge, as he is similar to Christine in that he is not wealthy and is also divorced . (Season 3) </Li> <Li> Lucy (Michaela Watkins), a former patient of Matthew's who is attracted to authority figures . Matthew falls for her and after ending the therapist / patient relationship, the two begin to date . They fall in love and begin a much more serious relationship . They eventually move in together but Lucy's disturbing childlike quirks causes them to break up . (Seasons 4--5) </Li> <Li> Patrick Harris (Tim DeKay), Old Christine's new boyfriend, who she meets in a video store and starts dating . Patrick turns out to have some serious rage issues when he' loses' at something, and Christine breaks up with him . (Season 4) </Li> <Li> Principal Merrow (Stephen Tobolowsky), Westbridge Middle School's principal, who has very little tolerance for Old Christine's neurotic behavior . (Season 4) </Li>

Who played patrick on new adventures of old christine