Short answers, pulled from the story.
Masahiro Ito is a Japanese video game artist best known for his work with Team Silent on the Silent Hill franchise. He designed the monsters and backgrounds for the original Silent Hill in 1999, served as art director on Silent Hill 2 and Silent Hill 3, and returned as creature designer on the 2024 Silent Hill 2 remake.
On Silent Hill 2 (2001) and its reissue Restless Dreams, Masahiro Ito served as art director, monster designer, and monster modeler. He held the same art director position again on Silent Hill 3 in 2003, where his credits also included background designer and modeler, drama camera designer, and CGI movie editor.
Yes. Masahiro Ito was credited as creature designer on the Silent Hill 2 remake released in 2024. That same year he also served as creature designer and Otherworld designer on Silent Hill: The Short Message.
Masahiro Ito contributed paintings to Metal Gear Solid 4: Guns of the Patriots in 2008, creature designs (unused) to Shadows of the Damned in 2011, creature design to Metal Gear Survive in 2018, and environment design to World of Tanks in 2020. He also worked as creature designer on NightCry in 2016.
In 2012, Masahiro Ito stated on his Twitter account that he would be willing to work on another Silent Hill game with Hideo Kojima.
Masahiro Ito illustrated Silent Hill: Cage of Cradle (2006) and Silent Hill: Double under Dusk (2007), both digital mangas published by Konami and available only in Japan as cell-phone downloads. He worked on both projects alongside Team Silent scriptwriter Hiroyuki Owaku.