This is another in the series of "wanted" posters that can be found within a campaign setting.
-From the small amount of reward we can only assume this is a lost dog a young child has lost and is desperately searching for. Sometimes its a good idea to throw in something simple and mundane as a counterpoint to all the fantastic stuff the characters run into.
-However, if that is too boring. The dog may have been dognapped by a cabal of sinister mages running horrible experiments with the goal of creating a hideous and unstoppable monster to do their bidding. Or Jasper is really a werewolf. Or a polymorphed prince.