Virak'kara
Virak'kara was a Jem'Hadar soldier in service of the Dominion. 

Created in 2364, Virak'kara was part of Omet'iklan's unit in 2372 when their attack ship was crippled by a rogue Jem'Hadar strike team. In the subsequent joint Starfleet-Jem'Hadar mission to destroy an Iconian gateway on Vandros IV, Virak'kara was assigned to Lieutenant Commander Jadzia Dax's team.  The two discussed the Jem'Hadar's reproductive process and their relatively short lifespan.  Virak'kara, in turn, was taken aback by Dax's longevity as a Trill symbiont.

He survived the mission and remained on Vandros IV to hunt down the remaining rogue Jem'Hadar. ()

Memorable quote
"If we reach twenty, we are considered Honored Elders... How old are you?"
"I stopped counting at 300."
"...You don't look it."
"Thank you."
 - To Jadzia Dax on the 

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Jem'Hadar