Complex sentence: Baljeet Patel (Maulik Pancholy) is Phineas'and Ferb's friend he is 9 years old who helps them with their big ideas.
Split into simpler sentences: Baljeet Patel (Maulik Pancholy) is Phineas'and Ferb's friend. He is 9 years old who helps them with their big ideas.