What does Wolf mean?
Directly from the Germanic element 'wolf' (Old High German/Old English wulf), meaning 'wolf'. It was the most common animal element in early Germanic names, often used as a short form of longer compounds such as Wolfgang or Wolfram.
What does Rolf mean?
Contracted form of the Germanic/Old Norse Hrodwulf (Hrolfr), from 'hrod' ('fame') and 'wulf/ulfr' ('wolf'), meaning 'famous wolf'. Shares its root with Rudolph and Raoul.