Looks:

(When he was young)

(When he is in his teen age)

Name: Y/n Blaze
Old Name: Y/n Rose/XiaoLong

Age: 16

Aura: -UKNOWN-

Semblance: -UKNOWN-

Weapon: Double Barrel Shotgun

He also has chains he uses for whips

Vehical:

Transformation:

Or if you like you can make the male reader's transformation look like this of you like