Uncle Pom

ポムじいさん

An elderly miner who encounters Sheeta and Pazu, informing them about "volucite" (referred to as "aetherium" in Disney's English dub), the crystal that powered Laputa. He discloses that Sheeta’s pendant is among the largest and purest such crystals known, and advises Sheeta to recall that the crystal's power rightfully belongs to the earth, warning her never to use it for acts of violence.