They're the bosses from the series in Bowser's Inside Story story! Like the penguin guy:
http://neoz7.deviantart.com/art/Commission-Hinyari-BIS-Style-588825516
Bobo:
http://neoz7.deviantart.com/art/Commission-Bobo-BIS-Style-587597377
The spiked Koopa boss:
http://neoz7.deviantart.com/art/Com...-Style-555694381?q=BIS-Spriters/47696846&qo=7
And even Wario and Waluigi themselves:
http://neoz7.deviantart.com/art/Wario-and-Waluigi-BIS-Style-565973288
So yeah, thoughts?
http://neoz7.deviantart.com/art/Commission-Hinyari-BIS-Style-588825516
Bobo:
http://neoz7.deviantart.com/art/Commission-Bobo-BIS-Style-587597377
The spiked Koopa boss:
http://neoz7.deviantart.com/art/Com...-Style-555694381?q=BIS-Spriters/47696846&qo=7
And even Wario and Waluigi themselves:
http://neoz7.deviantart.com/art/Wario-and-Waluigi-BIS-Style-565973288
So yeah, thoughts?