This list is based on information from interviews - mostly with Hansi but not only with him.
Queen are an English rock band formed in 1970. Members were Freddie Mercury (Vocals and Piano), Brian May (Guitar, Vocals), Roger Taylor (Drums, Vocals), and John Deacon (Bass Guitar, Vocals). Before forming into Queen, Brian May and Roger Taylor had played together in a band named Smile. Freddie Mercury ...read more.
Queen influence appeared in the 90s - mostly Freddie's multi-layered vocals technique of overdubbing. Multi-layered vocal harmonies, creating a huge choir effect, became one of the most recognizable Blind Guardian features. - Metal_Treasure
Testament is an American thrash metal band from Berkeley, California. Formed in 1983 under the name Legacy, the band consists of vocalist Chuck Billy, guitarists Eric Peterson and Alex Skolnick, bassist Steve DiGiorgio and drummer Gene Hoglan.
As you can see Blind Guardian were mostly influenced by: progressive metal and progressive rock bands, thrash metal bands, Queen and Deep Purple. - Metal_Treasure
No surprise Blind Guardian stuff is pretty thrashy, especially in the 80s and 90s, but even to this day Blind Guardian sound much heavier than the other power metal bands. - Metal_Treasure
3 J. R. R. Tolkien
John Ronald Reuel Tolkien (3 January 1892 – 2 September 1973), known by his pen name J. R. R. Tolkien, was an English writer, poet, philologist, and university professor who is best known as the author of the classic high-fantasy works The Hobbit, The Lord of the Rings, and The Silmarillion.
4 Fates Warning
Fates Warning is an American progressive metal band, formed in 1982 by vocalist John Arch, guitarists Jim Matheos and Victor Arduini, bassist Joe DiBiase, and drummer Steve Zimmerman in Hartford, Connecticut.
Savatage is an American heavy metal band founded by the brothers Jon and Criss Oliva in 1978 at Astro Skate in Tarpon Springs, Florida.
Forbidden was a thrash metal band from the San Francisco Bay Area. Formed in 1985 as Forbidden Evil, the group was founded by Russ Anderson and Craig Locicero, who were both ever-present members.
Forbidden are a Bay Area thrash band. - Metal_Treasure
7 Deep Purple
Deep Purple are an English rock band formed in Hertford in 1968. They are considered to be among the pioneers of heavy metal and modern hard rock, although their musical approach changed over the years. Originally formed as a progressive rock band, the band shifted to a heavier sound in 1970. Deep Purple, ...read more.
Ian Gillan influenced Hansi vocal style, mostly his screaming technique. Hansi points out 2 singers as his biggest inspiration: Ian Gillan and Freddie Mercury. - Metal_Treasure
Genesis are an English rock band formed at Charterhouse School, Godalming, Surrey in 1967. The most commercially successful and long-lasting line-up includes keyboardist Tony Banks, bassist/guitarist Mike Rutherford and drummer/singer Phil Collins.
Blind Guardian said only the early Genesis that was more progressive. - Metal_Treasure
9 Robert Jordan
James Oliver Rigney Jr. (1948-2007), better known by his pen name Robert Jordan, was an American author known for writing the epic fantasy series The Wheel of Time. He was also known for writing stories about Conan the Barbarian, and for writing other books with different pseudonyms. He died from cardiac ...read more.
Author of epic fantasy books, such as the Wheel of Time series.
One of Blind Guardian's most epic songs is named Wheel of Time and is based on the series. There are many references in other songs, for example - Ride Into Obsession. - Metal_Treasure
Queensrÿche is an American progressive heavy metal band formed in 1982 in Bellevue, Washington, out of the local band the Mob. They released their self titled EP in 1984, but didn’t gain notoriety until the release of their critically acclaimed album Operation: Mindcrime in 1988. As of now, they ...read more.
11 Gentle Giant
Gentle Giant were a British progressive rock band active between 1970 and 1980. The band was known for the complexity and sophistication of its music and for the varied musical skills of its members.
I just read the short article under the name of this band which explains certain things in Blind Guardian music: "known for the complexity and sophistication of its music and for the varied musical skills of its members".
Yep, I can say similar things about Blind Guardian music, too. - Metal_Treasure
12 Stephen King
Stephen Edwin King is an American author of contemporary horror, supernatural fiction, suspense, science fiction, and fantasy. Many of his most well-known novels include Carrie, It, The Shinning, The Stand, Misery, The Dark Tower series, and Rita Hayworth and the Shawshank Redemption, which was later ...read more.
13 Emerson, Lake & Palmer
Emerson, Lake & Palmer were an English progressive rock supergroup formed in London in 1970. The band consisted of keyboardist Keith Emerson, singer, bassist, and producer Greg Lake, and drummer and percussionist Carl Palmer.
Helloween is a German power metal band founded in 1984 in Hamburg, Northern Germany. The band is a pioneering force in the power metal genre, and their second and third studio albums, Keeper of the Seven Keys: Part I and Part II, are considered masterpieces of the genre.
Blind Guardian's first 3 albums (speed metal) were partly inspired by Helloween's debut album Walls Of Jericho.
Also, Kai Hansen of Helloween and Gamma Ray had guest appearances on all first 4 Blind Guardian albums either as a singer or guitarist. However, Hansi said that Helloween with Kiske and Deris had no any influence on Blind Guardian. - Metal_Treasure
15 Michael Moorcock
Michael John Moorcock is an English author of science fiction and fantasy. He is best known for his series of books centering around the fictional character Elric of Melniboné.
16 George R. R. Martin
George Raymond Richard Martin (born George Raymond Martin), also known as George R. R. Martin, is an American author known for his epic fantasy series A Song of Ice and Fire, which was later adapted into the famous HBO series Game of Thrones.