for the one with the x on its chest

#1 (Brown with a lot of blue spikes and hearts) #2 (Brown with horns and wings) #3 (Blue with heart on its chest) #4 (Grey with smile on its knee and x on its chest) #5 (Black with Orange dripping blood? and wings) #6 (Brown and green spots and head and tail)

I like 2, 4, 5