An ill-tempered, super-strong young man with a bartender's outfit in Ikebukuro who carries intense animosity towards Izaya. Shizuo is one of the main protagonist in the Durarara!! series.
Shizuo Heiwajima is a bodyguard of a debt collector in Ikebukuro. Shizuo is pretty famous in the city, being feared by many for his inhuman strength. He usually wears his trademark bartender suit with blue sunglasses.
As a child, he had a brown hair which he later dyes in Tanaka Tom 's suggestion. In high school, he met his friends Shinra Kishitani, Celty Sturlson, Kyohei Kadota, and the person he bears great hatred, Izaya Orihara. Meeting with Izaya brings him bad luck, as gang after gangs go after him, and he was blamed for several crimes, all of Izaya's doing. Some time later, he got fired from jobs and was hired by Tom as his bodyguard.
In the start of the series, Shizuo is shown as a bad-ass guy who always beats the crap out of everyone, but ironically, he hates violence. He is also shown to have deep affection for his brother Kasuka Heiwajima, and also displayed care for his friends. He is also still in touch with his high school friends, and sometimes hangs out with them. Despite Shizuo's outburst and causing havoc, he wants to control his anger and his strength.