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'.
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.