Chremamorphism is giving characteristics of an object to a person, e.g., "she shined upon him with her eyes" gives qualities of an object, like a star, to a person.
A metaphor, this is because it is saying the ears actually became radar antennae but it is clear they did not as this is impossible, it gives the reader a clearer image and sense of the story.It is not personification as personification is when a inanimate object is given a personality, here it is the opposite.
Metaphor
Personification
It is personification without meaning to use personification
There is no personification going on here.
No, personification does not have a prefix
personification
personification in this poem
Personification
personification
Personification
The word "personification" is a noun.