Senku is a straightforward, confident, 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 and applying the scientific method. Senku regularly bends the rules, withholds information, and manipulates others to get what he wants. He often acts as if he builds inventions and uses people for his own interest, while actually creating for the betterment of others. Purposeful, confident person, strict and jealous. 