Kimitoshi Yamane On His Designs For ‘Cowboy Bebop’, ‘Escaflowne’ And ‘Gundam’ One of the most popular mecha designers in anime is one with a unique international reach. From working on anime like 'Escaflowne' to 'Cowboy Bebop', Kimitoshi Yamane is a widely respected figure, but he wouldn’t necessarily call himself a typical mecha designer.