Superhuman Domingos

The Superhuman Domingos are members of the Buggy Pirates.

History
They were seen chasing Nami when she stole Buggy's map of the Grand Line. They trapped Nami but suddenly Luffy fell from the sky in front of her. Later, one of the Domingos punched Luffy, making him mad because he touched his 'treasure'. Luffy then, defeated him and the other two Domingos very easily saving Nami in the process.

Later they reported their loss to Buggy who in turned decided they should die. However they were spared his wrath when Nami showed up with Luffy tied up.