Thread:Anythingspossibleforapossible/@comment-2219521-20151226122024

http://scoobydoo.wikia.com/wiki/Bulldog_%28Scooby's_Swiss_Miss%29

And

http://scoobydoo.wikia.com/wiki/Bulldog_%28Strongman_Scooby%29

They are very much implied to be the same character, they look the same and act the same. 