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.
Acting
Movie
The Case of the Howling Dog
as Prince (uncredited)
1934
Movie
Wings in the Dark
as Lightning - Ken's Dog (uncredited)
1935
Movie
Speed
as Lightning', a Dog
1927
Movie
Renfrew of the Royal Mounted
as Lightning, Renfrew's Dog
1937
Movie
White Fang
as White Fang
1936
Movie
When Lightning Strikes
as Lightning
1934
Movie
Two in Revolt
as Lightning - the Dog
1936
Movie
A Dog of Flanders
as Leopold, 'Leo' the dog
1935
Movie
Lightnin' Strikes
as Lightnin' - the Super Dog
1925
Movie
Man's Best Friend
as Lightning, Jed's Dog
1935
Movie
The Lure of the Wild
as Shep the Dog
1925
Movie
Lightnin' Flashes
as Lightnin' - the Super Dog
1926
Movie
Lightnin' Wins
as Lightnin' - the Super Dog
1926