How does Grendel perceive Beowulf and the Geats?

The 15 strangers are greeted by the Danish. Grendel thinks they look "mechanical and dead looking”. Grendel seems to be able to pick Beowulf out even though he is never specifically mentioned. Grendel notices that Beowulf is actually soft spoken and that his words seem separated from his body. Grendel goes back to his cave. He is excited by the arrival of the Geats. At last his boredom is at an end. He sees them like a big machine without a soul. Grendel looks forward to battle.