To them, Timon, Pumbaa, and Pee-wee are just goofy characters.
They think that Timon, Pumbaa and Pee-wee are silly characters.  
mnli hypothesis: They think that Timon, Pumbaa and Pee-wee are silly characters.   premise: To them, Timon, Pumbaa, and Pee-wee are just goofy characters.