Well, obviously, that depends on the type of deer and donkey and their respective ages. Does the deer have antlers? I'm also assuming they are both in a cage (like MMA fighting) as deer are usually flighty creatures and would run away. Please provide more details so a proper answer can be given.
Lions vs African Buffalo 60% Lion would Win !! lion vs Elephant 80% Elephant Would Win Lion Vs Tiger ? Tiger would win 90% Rhinoserous vs Lion Very Difficult for Lion zebra vs Lion ? Lion would win 80% giraffe vs Lion Lion would win 70% of the Time
rhino
hulk would destroy all of them. so hulk would win.
hulk will win.
Mario vs. Donkey Kong happened in 2004.
The Chupacabra would win.
The elephant would win.
Hulk would win.
Mario vs. Donkey Kong happened in 2004.
Superman would win
us would win
Gogeta would win that one.