The Game Boy Camera had a number of Nintendo themed pictures, that you could print out with the Game Boy Printer, two of them feature Wario :
Another thing that makes these pictures notable is that they are Wario Land artworks, Tiny Wario is...
In addition to that, compare the Mario and Waluigi sprites (to the right and left of the door) to Wario's map sprites from Land 4:
Maybe it's just me, but I think that they look very similar in style.
It turns out that the Diamond City race tracks have more stuff in them that I didn't list back on page 3, namely:
A Wario Worldesque Gold statue appears on the logo for the Wario Cup:
Wario here is clearly based of this artwork from...
I just saw that I never mentioned it before, but the Bulldog in it's Mario Tennis (GBC) cameo uses it's Land 3 design:
It makes sense given that the court uses the Land 3 theme song, but it's still a detail worth pointing out since the thing...
I have been planning to make an index for everything we have amassed so far for a while now, just to see how much it really is. I aplogize that some of it is a bit sloppy and there are no page indicators, but I'm feeling rather shitty for reasons...
This game now has like a million percent more Wario Land representation than Smash Bros ever had.
HOW DOES IT FEEL, SAKURAI?!?!
SSSSSUCK IT!!!
...
...anyway,... xD
I also love how Wario will always have a special spot on this game's title...