|Species / Type||Pekoponian|
|Date of birth||???|
|Family||Lusamine (mother), Lillie (little sister)|
Gladion is a pale young boy with yellow hair and green eyes. His hair appears to be cut into squares and is styled for his bangs to perpetually obscure one of his eyes. He wears a grey hooded shirt with a red decoration on it, some black slashed sleeves, slashed black pants and red shoes with grey soles and black laces. He also has a red rectangular bag around his waist.