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| PERFORMER | Allan Trautman puppeteer |
| William Schallert voice | |
| DEBUT | 1992 |
The WESAYSO Scientist appeared in the Dinosaurs episode "Power Erupts." Appearing in a commercial for WESAYSO's Energy Division, the kindly, gentle-voiced dinosaur encouraged consumer loyalty by drawing a contrast between high school student Robbie Sinclair and the venerable, benevolent WESAYSO.
The ad alludes to and plays with the fact that William Schallert, who voices the character, often provided warm and friendly voice-overs or on-camera spokesperson delivery for commercials, letting consumers know the sponsor has their well-being at heart.