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.
What does Adolf mean?
From the Germanic name Athalwolf (Old English Aethelwulf), combining 'athal' ('noble') and 'wulf' ('wolf'), hence 'noble wolf'. The wolf element sits in the final '-olf'.