How tf does he've vagina & dick

His an intersex.

•People who are intersex have genitals, chromosomes or reproductive organs that don't fit into a male/female sex binary.
Their genitals might not match their reproductive organs, or they may have traits of both. Being intersex may be evident at birth, childhood, later in adulthood or never.

In orher words

Intersex is a general term used for a variety of situations in which a person is born with reproductive or sexual anatomy that doesn't fit the boxes of “female” or “male.” Sometimes doctors do surgeries on intersex babies and children to make their bodies fit binary ideas of “male” or “female”.

<Hopefully this helped and answered the question> (=・ω・=)