Future Piccolo's general demeanor has always been stern, if not grumpy, with an indifferent attitude towards others. Piccolo rarely smiles and enjoys solitude. Piccolo is frequently seen meditating in quiet places and drinking thawed ice water in the north area. However, he shows a noticeable cockiness when fighting. He can also be very confrontational toward people, showing very direct and honest opinions about a situation or an individual. Piccolo is known for his very precise and efficient methods in battle and likewise is shown to be very analytical and tactical in battle, able to see through his opponent's skills and weaknesses to devise effective strategies for victory.

(Voice Reference. Doesn't have to be exact and feel free to put your own spin on it! https://www.youtube.com/watch?v=SFMnNwbH9T8)