Shrek is a protagonist and sometimes an on & off antagonist in SuperMarioLogan.
Shrek was also an on & off antagonist of A Project Guy although the A Project Guy version of Shrek is bigger than the SML version.
Shrek is a fat ogre who eats cheesecake and lives with Mario. Just like his film counterpart, he has a Scottish accent.
He calls Chef Pee Pee a lot of names.