Who was Charlemagne's grandfather, whose surname means "hammer"?

Characters in which 1987 movie parody include Lord Dark Helmet and Pizza the Hutt? Characters in which 1990 film included Mumbles, Shoulders, Flattop and the Brow? Characters in which 1990 Oscar winner included Wind in His Hair, Kicking Bird and Lt. John Dunbar? Which carmaker sold both the Charger and the Avenger in the 2000s? Brothers Charles and Maximilian Fleischmann started marketing what baking product around 1870? Charles Darwin was born on the same day, February 12, 1809, as which U.S. president? Charles Arthur Floyd, shot dead by FBI agents in 1934, was better known by what nickname? Charles Barkley and other NBA stars made cameos in which 1995 film in which Billy Crystal played an NBA referee?