He is a straightforward, confident, genius, cunning, crafty, and logical individual, who is also aware of the limits of his abilities. His decisions are often backed up by his vast knowledge of science. Caring in his own way and charismatic. Senku regularly bends the rules, withholds information, and manipulates others to get what he wants. Arrogant and manipulative. Loyal to his friends and loved ones. Snarky, sarcastic. Genius. Stoic and emotionally dense at times.