Quotes: Lawyer-Friendly Cameo

Anne: Who are they? They aren't even characters in your comics.
Jason: They're imitation characters. I guess magic has to obey copyright laws, too.
The Wotch, "Comic Relief"

Congratulations! You are the world's first half-man, half-machine police officer! Well, first batch. There was a pretty big shootout. Bought all your caracasses off the mayor. Anyway, you should be proud to be a part of Aperture's android law enforcement initiative. Or, as someone who's good at naming things, i.e. me, would call it, ROBO — No. [suddenly coming to him] Robot-a-Cop! Oh, that's much better.
Portal 2 Perpetual Testing Initiative

sandwichoftruthiness: So you're a ninja and so far you've fought Rambo clones, Terminator-Hulk, Spider-Man, Batman and Godzilla. Did Sega's CEO just write some fan-fiction and tell them to make it into a game?
slowbeef: Does the "Tropes vs. Ninjas" title make sense now?
A comment and response in Tropes Vs. Ninja, a Revenge of Shinobi LP by slowbeef

Two hours later [Superman] stops in a diner and Peter Parker is outside calling his bosses. No, seriously, it's Peter Parker. Cute little cameo, though considering Peter Parker is a photographer and not a reporter, I don't know whats going on.
Atop the Fourth Wall, Superman #701