Where are they now?

Okay, here is a list of  "Where are they now?", and "do you remember...?"
AJ Langer
Rodney Alan Ripley
Alda Nova
The Bugaloos
Sigmund the Seamonster
Denise Yamada
Terry, the bouncer from the Bacchanal
Funny mime at Seaworld
Obnoxious hotdog guy at stadium
Jim Stafford
Kate Bush
Peter Macnicol
after school specials
T.G.&Y
Square Pan Pizza
Bob's Big Boy(not that sad attempt at parkway plaza)
I know there are spelling mistakes, so please, don't become one of those peeps!