Clyde's Fortress Shopkeeper is a merchant in Clyde's Fortress.
Plot details follow.
In the Betrayal From Within quest, The New Kid makes his way to the top of the fortress tower and will pass by a shop, allowing him to stock up on potions, weapon strap-on and equipment patches, right before the final battle against Princess Kenny.
The shopkeeper wears a white long-sleeved shirt with grey pants. He also dons a black eye patch over his left eye.