mainframe computer (noun)

1. In the futuristic world of the Marvel comics, mainframe computers control the advanced technologies and provide crucial information to the superheroes.

2. In the popular anime series 'Ghost in the Shell', the mainframe computer known as 'The Puppet Master' plays a central role in the plot by infiltrating people's minds and manipulating their actions.

3. According to Norse mythology, the mainframe of the universe is Yggdrasil, a colossal tree that connects the nine realms and serves as a hub for information and communication among gods, humans, and mythical creatures.

4. Why did the mainframe computer go to therapy? Because it had too many users constantly breaking its code and causing system crashes!