I have some real information about ten strongest supernatural characters as I interviewed with a person who has experienced some unexplainable situations herself and wrote about them in a novel.
What is very specific for the mythical creatures is that they are a mixture of two or more animals. For example, they have four legs, like the horse, and at the same time wings. That means the mythical creatures have the strong sides from both animals.
The triangle symbol signifying a wide variety of trinities. According to the Christianity, it represents the Father (God), Son and Holy Ghost