After a few years the band began to compose original songs. So in 2005 Crawler recorded their first demo "Undeads" which was published only online on the MySpace profile with a great success both in terms of plays that positive comments about the songs.

In 2007 Crawler began the recording of their EP "Burst", which was completed in 2008, after an interruption for a change in the line up. The EP was positively reviewed by several metal webzines.

In 2009 Crawler released their first music video on the song "Masters of the Night" and they chose for its direction Christian Arioli (director of horror movies). On the video, in addition to the band, was part Maya Vakulenko, a Russian model and actress .

In 2010 the band was noticed and approached by the famous American producer Beau Hill (Europe, Alice Cooper, Twisted Sister, Ratt, Warrant, etc) and together they produced a single "Knights of the word."

Just when the Band was preparing to the release of the single, Crawler are contacted by SG Records, an italian label, with wich they agreed for the release of their debut album, which will take the title from the song produced in collaboration with the famous American producer.

Crawler recorded the album in late 2010 and early 2011 and the mastering was done in Los Angeles by Maor Appelbaum (Rob Halford, Yngwie Malmsteen, Angra, Roy Z, Lita Ford, Therion, etc). The release of "Knight of the word" is scheduled for july 15th, 2011.

Crawler performed in many clubs in Italy and in some festivals abroad.

Among the concerts of the Band stand out: in the 2008 at Rolling Stone in Milan as a support for the German band Haggard (contacted by Drakkar Entertaiment), in the 2009 at the Festa Bikers in Cologno al Serio as support for Pino Scotto (former singer of Vanadium) in the 2009 at the “Halloween Metal Meeting" in Maasmechelen in Belgium of 2010 as a headliner at the "Metal for Angels Festival" in Herne, Belgium.

In this moment, the Myspace profile of Crawler has been visited by over 300,000 users and has more than 100,000 fans and the Facebook profile has more than 50.000 fans.