Gilbert is a man with a tall stature, thin waist, broad shoulders with emerald-green eyes and Dark blue hair, which are common traits for men of the Bougainvillea family. He has a scar on his left cheek and one just above his left eye. He has short, slicked-back hair with several locks falling freely and framing his face. He looks very similar to his late father, as they are both considered attractive, but have a "stodgy look" to their face.
He is 29 years old.