Giant spider

The giant spider is a monster which appears in a number of role-playing games and movies.

Dungeons & Dragons
Giant spiders have been present in Dungeons & Dragons since the 1st Edition of Advanced Dungeons & Dragons, released in 1977. They have been present in every version of the game released since then and are still present in the 3rd Edition, where they are classified as vermin.

NetHack
In NetHack, a giant spider is a monster with a poisonous bite.

Warcraft: The Roleplaying Game
Giant spiders were present in the first edition of Warcraft: The Roleplaying Game, where they are described as "a spider of staggering size—perhaps 15 feet around—with great furred body."