Piccolo has his own unique moments in the series, so it's a real treat when he's on the screen. His voice, just like his moments, is unique, so it's hard to replace a voice like his. I HIGHLY RECOMMEND that the voice is similar to TFS or FUNimation. (NOTE: TFS's Piccolo voice actor could also do Krillin, Vegeta, Master Roshi, Mr. Popop, etc. If you believe you can do any of those voices, list them or go audition those other roles if available!)