Theudebert (also Theodobert, Theudibert, Theodebert, Theodbert, Dietbert, Tibert, etc.[1]) is a Germanic dithematic name, composed from the elements theo- "people" and bert "bright".The name is attested primarily in the German Middle Ages. The Cat character in Reynard the Fox is called either Tibert or Tybalt. Historical people called Theobert include: