This dog belongs to Ken Rosa. Not much is known about him since no one mentions him. He is seen at the table at Mr. Rosa's house when Nate asks Rosa for ideas of a competition against Jefferson Middle School. The dog appears to be very friendly to Nate.
The dog is a very minor character whomakes a cameo and his only appearance in Big Nate Goes For Broke.
He is the second dog who appeared throughout the Big Nate series, the first being Spitsy.