The Joker is a steel roller coaster at Six Flags Discovery Kingdom in Vallejo, California. The ride opened on May 29, 2016, as a rebuild of former wooden roller coaster Roar, adding a new steel track
Six Flags Discovery Kingdom
Roar in 2009
Great Coasters International
Videos
Great Coasters International, Inc. is a Sunbury, Pennsylvania-based roller coaster manufacturer which has created several award-winning rides since its formation in 1994. Starting in 2006 with Thunder
The Joker (Six Flags Discovery Kingdom)
…and is themed to the Joker, a comic book character villain featured in DC Comics publications. The original Roar roller coaster was constructed by Great Coasters International and opened in 1999. Roar was a roller coaster at Six Flags Discovery Kingdom constructed by Great Coasters International. When it debuted on May 14…
Troy at Toverland is one of GCI's roller coasters that runs Millennium Flyer trains