Lone Wolf and Cub
Berserk
Blade of the Immortal
Dorohedoro
Gintama

Fujimura-kun Mates - Eri is awesome 😀
Cowboy Bebop (anime) - most of the cast is awesome
Durarara!! (Novel) - there is a number of awesome characters there, but Shizuo outclasses everyone
GTO - Onizuka has his moments of awesomness
Dageki Joi Saori - Saori
Hoshi no Samidare
Isekai no Seikishi Monogatari (anime) - the protagonist is good at almost everything up to the level of awesomness
Baccano! - there are many awesome characters there

Jormungand - Koko is a major nutcase, but she is kind of awesome.