The patron saint of children and bearer of gifts at Christmas, a big, fat, jolly old man who lives in the North Pole and, on Christmas Eve, soars through the skies in a sleigh drawn by magic reindeer, climbing down chimneys to fill stockings hung at fireplaces with Christmas gifts.
When the unscrupulous Jasper Rasper concocts a heinous scheme to drug Santa Claus and sabotage Christmas, Superman intervenes to thwart the plot and rescue Christmas for the children of the world (Act No. 105, Feb 1947: "The Man Who Hated Christmas!"). (TGSB)
Years later, Santa helps Superman defeat the nefarious Toyman (DCCP No. 67, Mar 1984: "'Twas the Fright Before Christmas!").