Marner won every MVP award possible in the CHL:
OHL MVP
OHL Playoff MVP
CHL MVP
Memorial Cup MVP
The MVP of MVPs
The first player in OHL history to ever accomplish it. 
Now he and Brad Richards are the only 2 players in CHL history to completely run the MVP table.
Dale Hawerchuk (1981) missed only the QMJHL Playoff MVP. He won it 1980 though.
QMJHL Championships (1981)
Memorial Cup championships (1981)
Jean Béliveau Trophy (QMJHL Scoring Champion) (1981)
Michel Brière Memorial Trophy (QMJHL Player of the Year) (1981)
Stafford Smythe Memorial Trophy (Memorial Cup MVP) (1981)
CHL Player of the Year (1981)