Brennus m Gaulish (Latinized)
Latinized form of a Celtic name (or title) that possibly meant either "king, prince"
. Brennus was a Gallic leader of the 4th century BC who attacked and sacked Rome.
Vercingetorix m Gaulish
Means "king over warriors"
from Gaulish ver
"on, over" combined with cingeto
"marching men, warriors" and rix
"king". This name was borne by a chieftain of the Gaulish tribe the Arverni. He led the resistance against Julius Caesar's attempts to conquer Gaul, but he was eventually defeated, brought to Rome, and executed.