Board Thread:General Discussion/@comment-25230331-20150926032531/@comment-5987666-20200215103757

And one other references in Saiki Kusuo no Psi-nan, when Saiko Metori says 'Daga Kotowaru' in Season 2 Episode 6 and 19.

Source: https://m.youtube.com/watch?v=KZgfPvIaCC0