A Name For Scooby Doo's Speech Disorder
Scooby Doo, Tiny Fox Lab

Scooby Doo’s excessive use of the letter “R” is the result of a speech disorder known as rhotacization.Tiny Fox Lab Facts

Preview photo credit: Scooby Doo
Source: https://www.discovermagazine.com/health/we-finally-have-a-name-for-scooby-doos-speech-disorder