Lions are nocturnal creatures, and are a symbol of authority and command over subconscious thought(as night is an ancient symbol of the subconscious - or dream states). The lion is considered by many ancient cultures to be a solar animal judgment.
One tattoo design that you may want to consider is the sugar skull tattoo. Sugar skull tattoos are not a main stream tattoo, but they do have a popularity. Sugar skulls are a proud symbol of the Mexican culture. Sugar skull tattoo designs can be.