In one tale, he obtains fire by challenging its guardian, his grandfather, 
In one tale, he obtains fire by challenging its guardian, his grandfather, to a tossing game; when his opponent is in the air, he causes him to fall on his head, thus defeating him.  In another story he immures all of the winds save the west wind.  After his mother Hina complains that her bark cloth is unable to dry in the short days, he lassoes the sun and wins from it an agremeent to make the summer days longer.  Credited with inventing barbed fish-hooks and with using an ancestor's jawbone to pull up the Hawaiian Islands, FTP, who is this Polynesian trickster god?
In one tale, he obtains fire by challenging its guardian, his grandfather, to a tossing game; when his opponent is in the air, he causes him to fall on his head, thus defeating him.  
Maui Potiki or Tikitiki