In Kirby's Adventure for the NES, by releasing your power up as soon as the warp star on level 1-2 disappears off screen, you could continue to find the word HAL in big letters.
Kirby's Adventure was developed by HAL Laboratory.
leo @'d me in a thread about his last dream, stating he was passionately making out with a guy he used to know and then woke up while reaching for his crotch, and said that i would "know who 'tf' it is"
and of course i know, it's luke