Yes. Look at it.
TPM: arrogant young Jedi with great capabilities
EPII: Teacher and ???
EpIII: Fails teaching Anakin but probably wins fight with the great Jedi Anakin/Vader
EpIV: Starts teaching Luke, dies in fighting Vader by his own will.
EpV: Helps Luke to complete his training
EpIV: Appears to be a liar, or at least very creative with the truth.
So, I don't know yet.