Kiryu is the incarnation of Mechagodzilla introduced in Godzilla Against Mechagodzilla in 2002 and returning in Godzilla: Tokyo S.O.S. in 2003. Unlike earlier versions, this Mechagodzilla was built around the skeleton of the original 1954 Godzilla, giving it a haunted, half organic character that fans remember. Its roar mixes mechanical grinding with a classic kaiju bellow, a contrast that made clips easy to reuse outside the films. Fans cut the sound into edits, trailers and game mods whenever a robotic monster needs an instantly recognisable entrance.