Can be found in Mindos Cave south of Loto Port. Players must pass the easy walking puzzle to get to the south side of the room to get to them. There are three forms that are high leveled, low levels should wait to do this quest.
First form drops Key #1.
Second form drops Key #2.
Third form drops a Mindos Orb.
Walk on the final telepad with the Mindos Orb in your bag to get to Bob's Brother.