Who designed the amulet Auryn in The Neverending Story?

The amulet Auryn in "The Neverending Story" was designed by the German artist and illustrator Wolfgang Hohlbein for the original novel by Michael Ende. Auryn serves as a powerful symbol of protection and guidance within the story, embodying the themes of imagination and self-discovery. Its design features a serpent eating its own tail, representing infinity and the cyclical nature of life.