Anyone got any?
Examples:
In Killer 7, you play as a band of assassins, each with the last name Smith(effectively making them the Smiths). In the first level, one of the puzzles involves "How soon is now?" written in blood on a wall.
5 of the 7 Koopa Kids from Super Mario Bros. 3 are music references:
Wendy O. Koopa - Wendy O. Williams
Lemmy Koopa - Lemmy Kilmister
Iggy Koopa - Iggy Pop
Roy Koopa - Roy Orbison(check out the sunglasses)
Ludwig von Koopa - Ludwig von Beethoven
In Golden Sun 2, after crossing a desert, one character says "I feel like I walked 500 miles. But I could walk 500 more!"