Preheat oven to 350 degrees and line cookie sheet with parchment paper.
Using a standing mixer, beat eggs on high speed until thick and lemon colored for about 6-8 minutes
Beat in the cake mix, sour cream, water and oil for 1 minute
Scoop 3/4 C of batter into the two bowls
Mix in 2-4 drops of brown food color and mix till combined
Mix in 5-7 drops of black food color and mix till combined
Scoop the colored batters into their own bottles
Using the black squeeze bottle, pipe out the outer rings of the cheetah's spots.
Using the brown squeeze bottle, fill in the black spots
Scoop the non-colored batter into the piping bag
Cover entire cookie sheet and carefully spread evenly making sure to not ruin the spots
Place into the oven to bake for 8-11 minutes or until the top springs back
Sprinkle powdered sugar onto a clean kitchen towel and place onto the top of the cake
Flip cake over and peel parchment paper carefully off the cake
Roll the cake and towel up into a log
Allow to cool for 1 hour