>Miyazaki was heavily artistically influenced by Moebius and western fantasy novels like Dune and Earthsea when making Nausicaa. Otomo too cites Moebius as a major influence.
>Gundam was mainly based on western sci-fi material like Star Wars and Starship Troopers.
>Masamune Shirow seems to be heavily influenced by western sci-fi novels instead of other popular manga as well.
>Five Star Stories has a lot of shit inspired directly by Dune and Star Wars in it too.
>Fist Of The North Star was mainly influenced by Mad Max and martial arts movies, and Tetsuo Hara got his art style from studying Frank Frazetta and Neal Adams. Tsukasa Hojo was a big Frazetta's fan too, which explains the way he draws women as well.
>Kuramada got the spark to make Saint Seiya from watching Karate Kid, and the whole manga is loosely based on greek mythology.
>Toriyama was a big fan of western sci-fi live action material like Star Wars, Star Trek, Terminator, etc. and created a lot of shit in his series using those as a base.
>Togashi cites H.R. Giger as a major influence and likes a lot of western horror movies as well
>Eiichiro Oda is heavily influenced by Ashley Wood, Mike Mignola and Simon Bisley. Other mangakas connected to him like Hiroyuki Takei and Nobuhiro Watsuki are big fans of american comics as well, with the latter basing a lot of Kenshin's villains on X-Men characters. Horikoshi is obsessed with western comics in general as well.
>Dungeon Meshi is based on western RPGs and tabletop games culture. Witch Hat Atelier feels like a classic fairy tale or fantasy novel, and has an author coming from working mainly on american comics.
>Fujimoto is influenced a lot by western cinema and media as well.
>A lot of shit from the 70s/80s/90s in general really. From Go Nagai's assistant Shinobu Kaze being inspired by Druillet, Space Adventure Cobra, Mad Bull 34, etc.