What is the simple predicate in the sentence From the window peered a scary face that frightened my little brother?

The simple predicate is the verb or the verb phrase in a sentence. In the sentence 'From the window peered a scary face that frightened my little brother' the simple predicate is 'peered'.
The simple predicate in the sentence 'From the window peered a scary face that frightened my little brother' is 'peered'.