Do note that Semi's appearance can change at will, whether it be by choice or request. His form, however, is not by choice.

Humanoid Form/Semi-Immortal Form

• Height: 5 foot 10 inches (177.8 centimeters)
• Age: Who knows? His parents probably do.
• Hair color: Persimmon
• Eye color: Also persimmon

Half-Circle Form/Immortal Form

• Diameter: 3 feet