Murphy has a large and heavy built. He has short hair, thick eyebrows, and a small beard. Due to his age, wrinkles can be seen on his forehead and around his eyes.
Murphy appears to be quite cheery and is often seen with a happy grin on his face. Although he can be surprised by the opposing team's plays, he remains unaffected and maintains an untroubled countenance.
Murphy is a famous coach who used to coach in Italy's pro volleyball series. After he came to Japan, he helped a team that has been stuck in Japan's V2 league and pushed them to V1. His arrival at Kamomedai attracted many talents to the school. His coach philosophy focuses on strengthening a team's serving, blocking, and mental toughness.
- At 102 kg, Murphy is currently the heaviest character in the series.
- Murphy reveals his favorite things are his wife and daughter, followed by volleyball in a close third. 
"The two things I love most in this world are my wife and my daughter. But volleyball comes in a very close third. I hope all of you will come to love volleyball top."