Wibisono born in Nahdatul in the isle of Bawa in the merchant caste but soon he went out in Djagong, where joined the yakuza. After some time he grow bored of yakuza life and went in wilderness, where lived eight years with the savage Kabundusil tribe. During this time he defeated the hero Harijo Ten Rasid Nahdatul. Later he switched again and become a pirate leader in Panjardu. In 1357 DR, he was secretly searching for a new base for his pirates activities, knowing was probably imminent an attack on Panjardu.
Despite his love for thrill Wibisono was a prudent and cautious man. He never fight for death.