Po Bidau Proust (포 비더 프루스트) is a High Ranker from the Po Bidau Family. He first appeared in the background when Po Bidau Gustang captured Rachel and Ha Yura, while later springing a trap on the Lo Po Bia Family forces and giving commands to capture all Lo Po Bia Branch Family Heads.
Proust is a giant silver haired creature with two long ears, horns, round glasses, a huge robe and often seen sitting holding a huge book. Proust is extremely intelligent and wise.
