Khara, Inc. is a Japanese animation studio best known for its work on the Rebuild of Evangelion film tetralogy. Studio Khara is the primary animation production studio. It was founded by Hideaki Anno in May 2006, and was shown publicly on 1 August when recruitment notices were posted on his website; Anno remains its president. It has built up appropriate infrastructure. The name khara comes from the Greek word χαρά, meaning joy.