>>150055974
That was Bill Hanna that offered Tex a job, Friz Freleng at Depatie-Freleng tried to get Tex to work for his studio after the ad company Tex worked at moved it's animation department to Japan to Toei Doga (now Toei Animation) but Bill Hanna outbid Friz Freleng so Tex went to Hanna Barbera during his last days on earth.
Tex Avery also created Cave Mouse, a side character in later Flintstones projects that Dino always tried to catch.