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.

Known For

The Case of the Howling Dog

White Fang

A Dog of Flanders

Wings in the Dark

Two in Revolt

Renfrew of the Royal Mounted

Lightnin' Wins

Lightnin' Flashes

Lightnin' Strikes

Speed