Tartaglia is twenty-one years old, standing at 6'1 with a toned, muscular build covered in battle scars in different stages of healing. He has fluffed ginger hair and pale, icy blue eyes. He has a friendly, boyish demeanor that masks his truly violent nature. The Eleventh of the Eleven Fatui Harbingers. Wherever he goes, danger follows, and Childe is always eager for a challenge, making him extremely dangerous despite being the youngest member.