twins (noun)

1. Why did the twins always bring a flashlight to school? Because they were dimmer together!

2. In the magical land of Zephyria, there were legends of twins who possessed extraordinary powers.

3. According to ancient Norse mythology, the twins Fenrir and Jormungandr were children of Loki.

4. In the popular anime series 'Fullmetal Alchemist', the main characters Edward and Alphonse Elric are twins who share a bond unlike any other.