The characters in Grendel and Frankenstein are actually the unique ones or rather the grotesque ones. The monster said:
I was dependent on none and related to none. The path of my departure was free, and there was none to lament my annihilation. My person was hideous and my stature gigantic. What did this mean? Who was I? What was I? Whence did I come? What was my destination? These questions continually recurred, but I was unable to solve them. (99)
He describes himself as ‘hideous’ in comparison to humans. Humans were all he knew and what he thought he knew was that humans were the only creatures to bear any beauty. Grendel also says, “Thus I fled, ridiculous hairy creature torn apart by poetry—crawling, whimpering, streaming tears, across the world like a two-headed beast, like mixed-up lamb and kid at the tail of abaffled, indifferent ewe. . . ” (44). He on the contrary uses a simile to describe him self. The picture of a ‘two-headed beast’ gives the look of a non-domesticated being. Both characters were able to realize their true uniqueness. They had an image of what beauty was and for them it wasn’t