You may (or probably don't, to be honest) remember this post from the 'Yard's early days documenting PlayStation advertising popping up in a Dreamcast game. Well guess what - I've found some more, this time hiding away in the 'name entry' screen of that graphically wondrous race-a-thon, Tokyo Extreme Racer 2:
I realise that they're only shapes, but c'mon! Where else in the history of mankind do those four particular shapes appear - except for on the PSX joypad?!
Yet another example of subversion by Sony-planted moles. Tsk.