Cavarus was a Celtic[1] king in Thrace and the last king of Tylis. Under Cavarus, Tylis was destroyed by the Thracians in 212 BC.[2]
^Celts and the Classical World by David Rankin, ISBN0-415-15090-6, 1996, page 189: "... and destroyed it. According to Polybius, the last of the kings of Tylis, Cavarus, was a man of magnanimity and regal character (8.24). ..."