Rorik was a Danish Viking, who ruled over parts of Friesland between 841 and 873, conquering Dorestad and Utrecht in 850. Rorik swore allegiance to Louis the German in 873. He was born in Denmark around 800. He died at some point between 873 and 882.

Roderick, Rodrick or Roderic is a Germanic name, recorded from the 8th century onward. Its Old High German forms are Hrodric, Chrodericus, Hroderich, Roderich, Ruodrich, etc.; in Gothic language Hrōþireiks; in Old English language it appears as Hrēðrīc or Hroðrīc, and in Old Norse as Hrǿríkʀ.