I don’t quite understand what your asking
Answer:
First off the Amigo Brothers is just a story and an interloper is a person who becomes involved in a place or situation where they are not wanted or are considered not to belong.
Seeing as you’ve supposedly read this story, I recommend analyzing the text briefly before writing your narrative (mini story from the perspective of Grendel)
Use your imagination to turn Grendel into whatever you want while maintaining facts.
It actually isn’t too difficult. It shouldn’t take long. Let your creativity thrive!
Lucas because the thesis is what the essay or writing is going to be about. It’s showing the reader what they are going to be reading into that the writer believes is right for the topic