Narrator (voice) (119 episodes)

(1 episode)

(119 episodes)

(119 episodes)

(119 episodes)

(119 episodes)

(119 episodes)

(119 episodes)

(119 episodes)

(119 episodes)

(119 episodes)

(119 episodes)

(119 episodes)

Quack (voice) (1 episode)

Producer (119 episodes)

Producer (119 episodes)

Producer (119 episodes)

Producer (119 episodes)

Producer (119 episodes)

Producer (119 episodes)

Executive Producer (119 episodes)

Executive Producer (119 episodes)

Producer (119 episodes)

Theme Song Performance (119 episodes)

Animation (52 episodes)

Writer (49 episodes)

Writer (48 episodes)

Writer (46 episodes)

Writer (45 episodes)

Storyboard (4 episodes)

Storyboard (3 episodes)

Writer (2 episodes)

Storyboard (2 episodes)

Storyboard (2 episodes)

Writer (1 episode)

Storyboard (1 episode)

Writer (1 episode)

Storyboard (1 episode)