Lightning the German Shepherd
Lightning was a German Shepherd from a line of canine silent film stars. A grandson of Strongheart, Lightning was billed as "The Wonder Dog" and "The Marvel Dog". He began life as a runt but grew to be larger than average for the breed, and he was very intelligent. Lightning appeared in numerous movies. From Wikipedia.
Movies (Cast)
The Case of the Howling Dog
Wings in the Dark
Renfrew of the Royal Mounted
A Dog of Flanders
When Lightning Strikes
Speed
White Fang
Two in Revolt