The main idea was based on the concept of "Truthchopper" which turned into making characters Pravda (truth) and Krivda (lie/distortion). The first draft sketches of speechless (mouthless) Truthchopper seemed quite grim, so I used them for Krivda and began to make Pravda as his antagonist. So here they're - unquenchable Pravda and nimble Krivda:)
Process