Lola Merkova

Babushka was an elderly woman who led a civilian resistance against Nod when Nod invaded their village. When Captain Nick "Havoc" Parker and Dead 6 were moving through the village, she and her radio organization, Resistance Radio, told him about many things he could do to hamper Nod's progress. Eventually she was captured and held captive by a Nod minigunner officer and Black Hand soldier. Fortunately, Havoc killed both of them and saved Babushka.

It is worth noting that Babushka may not have been her real name and in fact a code name, as babushka is Russian for "old lady".