The deity: Hera
Known as: The wife of Zeus, goddess of women and marriage
Her title: βοῶπις
Meaning: Cow eyes.
The deity: *Torh2nt- (Thor in Old Norse, Tarhunt- in Hittite, Torann in Old Iranian)
Known as: The thunderer.
His title: *perkwuno-
The deity: Agni
Known as: God of fire
His title: Apām Napāt
Meaning: Descendant of the waters.
Why is the Hindu god Agni, a god of fire, described as the descendant of the waters in the ancient Sanskrit annals? Why is the Thunderer described as "the Rocky Thunderer?" Pretty ballin' title though. I won't even touch Hera - though judging by her epithet, I doubt many did.
Matasović, Ranko. A Reader in Comparative Indo-European Religion. University of Zagreb. 2010.
Greek reflex from: Robert Beekes. "βοῶπις" in: Etymological Dictionary of Greek. Indo-European Etymological Dictionaries Online. Edited by Alexander Lubotsky. Brill, 2013. Brill Online. May 22, 2013.