Buddha, along with Colonel Sanders, is often seen in heaven along with God. Lisa is a Buddhist. He also appeared in one of Homer's fantasies where Buddha is driving a stolen car being chased by the Police. He is also covered in tattoos. Also when Ned talks about going to heaven with Rodd and Todd, where Ned says "When you meet Jesus, remember to call him Mr. Christ." which Rodd responds "Will Buddha be there?", angering Ned.
Appearances
Episode – "Pray Anything" 
Episode – "'Tis the Fifteenth Season" - Episode – "She Used to Be My Girl"
- Episode – "Goo Goo Gai Pan" (As Homer)
- THOH – "Treehouse of Horror XXVII" (BFF R.I.P., being ran over by Lisa)
Video game – The Simpsons: Tapped Out
Gallery
Homer disguised as Buddha.