Probably Shamu, the one they tried to release.
I'm not sure if he was the first orca, but he was the most famous of the Eden killer whales. See related link for more details.
Yes, a large great white shark could kill an adult orca, and an orca could kill a large great white shark. Most likely an orca would win most of the time but the shark has enough tools at its disposal to easily destroy an orca, it would come down to circumstance and chance.
Orcinus Orca Killer Whale blackfish
Yes, orca dolphins can kill sharks. Orca dolphins are super predators that people usually call killer whales because orca dolphins are killer whales and they are killers of the ocean. Orca dolphins are the most powerful, dangerous and the deadliest predators on earth and they kill everything that lives in the ocean for food. Orca dolphins also kill other top predators as well. Orca dolphins are top killers of the ocean What are orca dolphins? Orca dolphins are killer whales, killer dolphins, orcas and orca whales.
10 to 14 minutes at the most. I watched a documentary where an Orca beached itself and was out of water for 18 hours.
most sharks, and orca whales
somtimes the orca which is dead is eaten by or sometimes another orca pushes the dead orca on a beach where there are no people.
Orcinus Orca
Their scientific name is the Orcinus orca
Orcas are not whales. They are the only marine mammals that would eat another whale. Orcas are the fastest of marine mammals. Shamu (at sea world oralado) is the most famous marine mammal! ( He is an orca )
Killer Whales (orca) but most often Leopard Seals.
Orcinus Orca