tyler joseph is a 27 year old man, he's pretty apathetic to everything except for when it comes to astrology, music, and dreaming. he's into theories and alternate universes. he doesn't know that he was crossed with another universe.
joshua dun is 28 years old. he lives in an alternate universe where the normal human anatomy is changed and has musical sound and art embedded in it. his hair changes colors based on moods. it doesn't change frequently. it'll change based on how his soulmate feels.
but josh doesn't know that is soulmate his someone who lives in an entirely different universe.