Underrated fictional characters

Another underrated character I should have put in that meme is Wittgenstein. He's the old tube-powered supercomputer in my sig.

Eh, he's included collectively in the Brave Little Toaster entry I suppose.
 
Revived from the death.

The whole cast of Oscar's Oasis, nobody knows who are they or they don't care.

Yamcha: He is not a weakling, he is one of the strongest humans in the DBZ universe, I bet everyone including me will lose against the weakest villain in the series.
 
Obligatory mention of Luigi
 
No.

Luigi prior to 3D Hot Rally is underrated, though.
 
i think he's fairly overrated, honestly