This is discussion archived from a time before the current discussion method was installed.
I can't believe we didn't have a page for this. It's very well-known.
I'm not going to bother filling it up with examples; I'm sure everyone else can.
Nornagest: Corrected the HP Lovecraft example. While Lovecraft and Robert E. Howard were friends and correspondents, I'm unaware of them doing this to each other. Lovecraft and Bloch, however, indisputably did.
Kkachi: On Saturday Night Live Mike Myers mentioned Tim Meadows at least once in "Wayne's World" before Meadows became a cast member. Would this be a shout out or a Tuckerization?
