Manabu Sakamaki is a Japanese voice actor. He voices Clark Smith in Yu-Gi-Oh! 5D's. He voices various minor characters in Yu-Gi-Oh! ZEXAL including Reginald's underlings, Number 56's holder, Hide Kunitachi (Donovan Crossit) and Oily Muscle (Muscules the Magnificent). He voices Sun Shadow and Moon Shadow in Yu-Gi-Oh! ARC-V. He voices Prototype Ai-A and Prototype Ai-B in Yu-Gi-Oh! VRAINS.