Studio Trigger was founded by former Gainax employee Hiroyuki Imaishi, following his success with Gurren Lagann (2007). This led to the creation of Studio Trigger, with Gurren Lagann's visual humor and style defining the studio's work, and Trigger being seen as a successor to Gainax.

Did Studio Trigger make Neon Genesis Evangelion?

It came from studio Gainax, whose biggest names before Gurren Lagann were director Hideaki Anno and his masterpiece Neon Genesis Evangelion.

Is Gainax Studio Trigger?

Studio TRIGGER is Gainax after Gainax stopped being Gainax. Since its founding in 2011, Studio TRIGGER has produced many Gainax-ish anime series. Kill La Kill, Space Patrol Luluco, Little Witch Academia, and Inferno Cop are among their creations. They also co-produced the film Promare.