Complex sentence: Stanford "Stan" Pines (commonly known as Grunkle Stan) is one of the main characters of the Disney animated series "Gravity Falls", created "and" voiced by series creator "Alex Hirsch".
Split into simpler sentences: Stanford "Stan" Pines (commonly known as Grunkle Stan) is one of the protagonists of the Disney animated series "Gravity Falls". Stan is created "and" voiced by series creator "Alex Hirsch".