Villain and his family are prone to this, shouting out everything from videogames, to live action TV, to anime, to music.
Awesome Prime: *thinking* Check it out! Gravity! *The ice around Awesome shatters, and he immediately flies towards the bomb, infuses it with more phazon, and kicks it to the ground has hard as he could* You ever seen Dragon Ball Z? My favorite part was when Freeza blew up Namek. Of course he died, but you have to realise, he succeeded!
Rawk's Azure Grimoire was a shout out to Ragna the Bloodedge, and he has referenced fighting games more than once. He eventually lost the Grimoire, and it was replaced with a new arm that is quite similar to the T-1000.