What, nobody got this one? Surely somebody knows who lived under this name.
Literally “under” a sign bearing the name – Winnie-the-Pooh.
“Downtown” Brown from Simon and Simon
Thomas Hewett Edwards Cat == T.H.E. Cat (that was a long time ago).
One down.
Ice Pick on Magnum, P.I.
Sorry, I’m stumped on Evelyn.
Angel from The Rockford Files, I think.
Two…
…and three. 
My first thought on this was Winnie the Pooh, but I didn’t post because after I thought about it I seemed to remember that it was “Saunders” on the sign above Pooh’s door.
But since I posted “Gidgit” for “Gidget”, I shouldn’t be so picky!
My name is Harry Manders. Who is my best friend, and what does he call me?n