Unicorns
Coming in any colour, typical unicorns can have different moods according to their colours. As well, some unicorns can control different elements.
Twonicorn
Same as the unicorn, but with two horns. There are no elemental twonicorns
Pegacorn/Unisus
A cross between a unicorn and a Pegasus. A unicorn with wings basically.
Narwhalicorn
The majestic Narwhalicorn is native to the icy waters off the coast of Greenland and occupies the dreams of only the most innocent children. Half unicorn, half narwhal, this magical creature feasts only on the sea grass found in enchanted underwater meadows and soft pink cotton-candy clouds. Legend has it, The Narwhalicorn is the guardian of the mystical Rainbow Caves. She is friend to any creaure with a pure and noble heart. The Narwhalicorn is the most rare of all.
http://www.amazon.com/Narwhalicorn-Half-Unicorn-Majestic-Bendable/dp/B00616B93O