From: http://snakas.blog95.fc2.com/blog-entry-5530.html

A banner has been found that seems to teast a UW version of Baldigus from Car Robots (known as Ruination in the original Robots in Diguise) which would be a repaint of Bruticus.



From what I gather from the post, the image file name gives the game away

Source: @autobase_aichi on Twitter