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 never belittles those who are less knowledgeable than him, however he does have a habit of diving into complicated explanations in an attempt to teach others. However, his enthusiasm for science encourages and inspires everyone around him to do better. Because of his charisma and caring nature, people tend to gather around him, allies and enemies alike. Senku is also able to admit his mistakes,Senku is a scrawny and physically weak young man of average height with pale skin. He has white hair that fades to green towards the ends, spiking up naturally into soft tips. Two locks of hair drape over his face. He has sharp red eyes, slim eyebrows, a small nose, and a mouth that tends to curl into an evil grin. He has two symmetrical petrification scars on his face, jagged lines beginning from his inner eyebrows and heading towards his hairline. On occasion, smaller scars leading down from his inner eye are visible as well.