Robson

Robson (ロブソン Robuson) is Wapol's pet, and personal transport. He is a White Walkie, aka Wooly Hippo.

Appearance
Robson is a large White Walkie, with long white fur, and an appearance similar to a hippo. He has long legs, and Wapol has placed a saddle on his back for him to ride on.

Personality
Even though Wapol killed his brothers, he still seems to be loyal to him. It is unknown if Wapol forced him to work for him, or Robson chose to.

Abilities and Powers
As a White Walkie, he has incredible climbing abilities, and was able to climb the Drum Rockies with Wapol on his back.

History
Some time in the past, Wapol killed a group of Robson's brothers and took Robson as his personal transport animal.

During the Drum Island Arc, Robson climbed the Drum Rockies and made it to the castle, only to be punched by Luffy later and sent flying away, never to be seen again.

In the ninth movie, he is shown to have crashed back down in a snowbank on Drum Island.