All of us # 1 fans of Hey Arnold! were very depressed and sorrowful when Steve Viksten, Oskar Kokoshka and Caesar's voice actor, passed away from a heart attack at the age of 54 this year on Monday, June 23. We also know that they should have new voices for Hey Arnold!: The Jungle Movie and season 6 as well. Sign this petition if you want new voices for Oskar Kokoshka and Caesar.

==Oskar Kokoshka voice actor replacements==

1. Michael Hollick

2. Hank Azaria

3. Rob Paulsen

4. Charles Martinet

==Caesar Voice Actor Replacements==

1. Jeff Bennett

2. Tom Kenny

3. Jim Cummings

4. Charles Adler