Add The Knack - My Sharona to the list.
I think the Knack had more than one hit. Maybe my memory is wrong but it seems like they hit it big and burned so very bright for a very short time and then were gone.
The other song I remember that was a pretty big hit was Good Girls Don't. And I think I remember a couple of others but who knows? That was a long, long time ago and Andy Kaufman was still alive and doing crazy stuff like wrestling with women and Heartbeeps. And Casey Casum was doing America's Top 40. And Doctor Demento was on Sunday nights. The entire cast of Star Trek was still alive and just started putting out big screen Star Trek movies....
Oh, it was a glorious time to be alive when the Knack hit it big. I guess the closest thing the young people of today had was Oasis.