From A Wiki of Ice and Fire
|Book(s)|| A Clash of Kings (Appears)|
A Storm of Swords (Mentioned)
Stygg is an ironborn raider who sworn to House Greyjoy.
He is bald.
A Clash of Kings
Stygg is among the ironborn who raid the Stony Shore. Stygg is a member of Theon Greyjoy's force that captures Winterfell. After the capture, Theon sent him to request aid from Asha Greyjoy at Deepwood Motte. Stygg is among those who abandon Theon when the Northmen arrive to retake Winterfell.