Here are the possible solutions for explorer who has a monetary unit named after him clue
Answer
Clue
Relevancy
balboa
Clue
Explorer who has a monetary unit named after him
Panamanian monetary unit named for an explorer
Definition
(Spanish) the monetary unit of Panama
mach
Clue
Austrian physicist Ernst who has a speed unit named after him
Definition
a number relating the speed of a body to the speed of sound
tasman
Clue
Dutch explorer with an island named after him
zebulonpike
Clue
Explorer with a peak named after him
neko
Clue
Rocker Case who tweeted "If a dude called me a 'cougar' I'd be more likely to kill him bare-handed and shit him out in front of his parents than fuck him"