Neptune is strange, random, and doesn't have a good memory. His personality was caused by insanity due to loneliness for 165 years due to his orbit, which led him to make imaginary friends with asteroids in the Kuiper belt. remember all the names of its satellites. He has a friend named "Guillermo" who is actually an inanimate asteroid, and although he is a little crazy... he loves Uranus, Neptune has Autism and dementia.