Asuma Sarutobi was a mature and experienced shinobi (ninja) with a distinctive appearance. He had silver hair, represented by the 👨‍🦳 emoji, which symbolizes his older age. The 💨 emoji represents his signature technique called "Flying Swallow," where he creates powerful gusts of wind with his blades. Lastly, the 🔪 emoji signifies his skillful use of weapons, particularly his dual trench knives.