Three mainstream computer heroes, rendered in their respective font. Jack Tramiel (Commodore), Dennis Ritchie (UNIX) and some guy (Apple). Made by SanderFocus, who also makes great pixel art – more here.
The prototype version of Yoshi’s Island contained a unique death message that would be displayed on a black screen whenever Yoshi lost a life, simply reading “YOU LOST”.
It is possible that this was removed in the finished game due to concerns that this type of blunt statement of the player’s failure may be perceived as unfriendly. It was replaced with a “Try this stage again?” prompt in the final game.