Complex sentence: The mascot of Lucky Charms is Lucky the Leprechaun, also known as Sir Charms, and originally called L.C. Leprechaun., created in 1963, is a cartoon character whose voice was supplied by Arthur Anderson until 1992.
Split into simpler sentences: The mascot of Lucky Charms is Lucky the Leprechaun, also known as Sir Charms, and originally called L.C. Leprechaun. Created in 1963, the cartoon character's voice was supplied by Arthur Anderson until 1992.