Iconic 28-Across player

1. Charlie Brown’s best friend
2. Often seen playing the piano
3. Known for wearing a striped shirt
4. Has a fondness for Beethoven
5. Has a dog named Snoopy
6. Frequently appears in the “Peanuts” comic strip
7. Plays on the school baseball team
8. Has a crush on the Little Red-Haired Girl
9. Introduces himself as “Schroeder” when meeting new people
10. Is a talented musician despite his young age