How are Harry Potter and Luke sky walker similar?

Both Harry Potter and Luke Skywalker are orphans who discover that they possess special powers and are destined for greatness. They are both mentored by wise and powerful figures (Dumbledore and Obi-Wan Kenobi) and embark on quests to defeat evil (Voldemort and the Empire). Along the way, they make friends who help them along and eventually defeat their enemies.