Wisnu Hardana is an Indonesian content creator, illustrator, and television host, widely known for his involvement in the supernatural horror genre. He is best known as a key member of the team behind "Sara's Mystery Diary" (DMS), an extremely popular YouTube channel of horror documentary films created by his older sister, Sara Wijayanto.

Using what he claims is his sixth sense, Wisnu serves as a metaphysical illustrator, sketching the physical manifestations of invisible entities and spirits encountered during their paranormal investigations.