Sparkplug (robot dog)

The name or term "Sparkplug" refers to more than one character or idea. For a list of other meanings, see Sparkplug (disambiguation).

Sparkplug is a character from the Transformers Animated franchise

Sparkplug is Sari's robotic pet dog. He likes to chew on Sari's key.

From Teletraan I: The Transformers Wiki, a Wikia wiki.