Animal vs Animal fights..Who wins?

[You ask..I answer.!.]

Lion vs Grey wolf
Lion vs Gorilla
rhyno vs gorilla
rhyno vs hippo
rhyno vs elephant
elephant vs hippo
hippo vs lion
hippo vs walrus
walrus vs lion
walrus vs rhyno
walrus vs polar bear
walrus vs shark
jellyfish vs sunfish
sunfish vs sea slug
sun fish vs shark
sea slug vs crab