Senno Aki (せんのあき), better known to SNK fans with her pen name TONKO, is an unaffiliated illustrator previously hired by SNK. She is best known for doing the character designs and main illustrations for The Last Blade series and Garou: Mark of the Wolves.

See also:

• Old homepage: http://www31.ocn.ne.jp/~jkov/ (dead)
• SNK wikia entry