The Elefant (German for "elephant") was a heavy Jagdpanzer (tank destroyer) used by German Wehrmacht Panzerjäger during World War II. Ninety-one units were built in 1943 under the name Ferdinand, after its designer Ferdinand Porsche, using tank hulls produced for the Tiger I tank design abandoned in favour of a Henschel design. In January to April 1944, Ferdinands received modifications and upgrades. They were renamed Elefant in May 1944. The official German designation was Panzerjäger Tiger (P) and the ordnance inventory designation was Sd.Kfz. 184. Designer M Bergman.