Beowulf is an Old English epic poem, and the name itself comes from the Germanic languages. Hawaiian language and culture have their own naming traditions, and they wouldn't translate foreign names directly.
If you're looking for a Hawaiian name that evokes similar qualities to Beowulf (strength, courage, heroism), you might consider names like:
* Keawe: Meaning "brave" or "warrior"
* Kamaka: Meaning "strong" or "powerful"
* Lani: Meaning "chief" or "ruler"
* Nakoa: Meaning "warrior"
Ultimately, the best Hawaiian name for Beowulf would depend on the specific aspects you want to capture.