Im Not Superman

G                 Am
I do my best man, just to get by.
C/F               C
I'm not superman, I'm just me
G                 Am
Regular joe in my galaxy
C/F               C

Every once in a while the first two chords are substituted for the barre chord version.
     G      Am (He also plays this sometimes.)
E|---3-------5-------5---| 
B|---3-------5-------5---| 
G|---4-------5-------x---| 
D|---5-------5-------5---| 
A|---5-------7-------x---| 
E|---3---------------5---| 


Every once in a while C/F is substituted for
     F
E|---1--| 
B|---1--| 
G|---2--| 
D|---3--| 
A|---3--| 
E|---1--|