Invader
"Invader" is a term often used to describe an entity that enters a space or territory without permission. This can refer to various contexts, such as military invasions, the introduction of non-native species into an ecosystem, or even digital intrusions in cybersecurity. The concept highlights the disruption caused by the presence of the invader in the original environment.
In popular culture, "Invader" can also refer to the animated series Invader Zim, which features an alien named Zim attempting to conquer Earth. The show combines humor and science fiction, showcasing Zim's misadventures and interactions with humans, particularly a young boy named Dib.