Timmy's Pal is the iconic canine character LASSIE, who has been a beloved part of popular culture since the 1940s. LASSIE first appeared in a short story by Eric Knight in 1938, and was later adapted into a novel, film, and television series. The character is known for her loyalty and bravery, often rescuing Timmy from danger. LASSIE has become an icon of courage and friendship, and continues to be a beloved character today.