Seaworld performers include otters, orcas, seals, Shamu, and dolphins. Otters are small aquatic mammals that are known for their playful nature and intelligence. Orcas, also known as killer whales, are the largest member of the DOLPHIN family and are highly intelligent and social animals. Seals are semi-aquatic mammals that are known for their agility and playfulness in the water. Shamu is a name given to a specific ORCA that was featured in SeaWorld shows. Dolphins are highly intelligent marine mammals that are known for their acrobatic abilities and friendly behavior. All of these animals are trained to perform in SeaWorld shows.