A leever is a green fictional creature appearing, "The Legend of Zelda Ocarina of Time" and "A link to the past"
It attacks in groups, at fast speeds is able to catch up with Link and attack. They attack with pincer like horns on their head. Leevers were made famous by, "Julian1000" aka Okiyama from www.youtube.com

the whale tail is the shape formed when a g-string rides up high over a womans trousers