Complex sentence: Foot Fella is a fictional character who has come from the fictional planet named Marchoon to educate children about environmental and social issues such as global warming, lack of access to clean water, and world peace.
Split into simpler sentences: Foot Fella is a fictional character from the fictional planet named Marchoon. He appears in an educational figure for children learning about environmental and social issues such as global warming, lack of access to clean water, and world peace.