What kind of noun is the word myself?

The Word 'myself' is not a noun, common or proper.

The Word 'myself' is a pronoun, a reflexive pronoun, a Word that takes the place of a noun by 'reflecting' back to its antecedent.

The reflexive pronouns are: myself, yourself, himself, herself, itself, ourselves, yourselves, themselves.

example: I got up at six and made myself some breakfast.

A reflexive pronoun also functions as an intensive pronoun, used to emphasize its antecedent.

example: I myself got up at six and made some breakfast.