Darkono Yuk,known as Darko ,is Ben and James's biological Father and Sandra's former husband. he is the former ruler of Anur Phaetos.
Ben 10: Voltex
- Ben 10: Reloaded
- Heatfreak (Voice only)
- Ben 10: R-Evolve
- Heatfreak Reborn Pt 1 (Voice only)
- Ben 10: Voltex
- Stange girl like Gwen (First Appearance)
- The Dark Truth (First Full Appearance)
- Request the world (mentioned) - Ben choose to go Ringa Morr with his allies. forget about him, He deside.
- Ben 10: Ultimate Voltex - as main Antagonist.
Non - Canon Appearances
- Ben 10: Dimention Stories
- Target End - Ben choosing to find him and kill. At the end, Darko has been killed with Ben.
- His body was similar of Zs'Skayr. but he's different.
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