please create a sprite character asset for a new action rpg with hd pixel graphics. The main character sprite to be generated is a young, dual pistol wielding, air ship captain, leading a small rebel team against a ruthless invading interdimensional war driven species. The games theme is steampunk, air ships, pirates, sea creatures, amazing vibrant hd pixel biomes. Please create sprite animations for walking, running, idle, pistol shooting, in 8 directions.