Stanley the Bugman

Stanley the bug man is from the Arcade/Famicom game Donkey kong 3

Stanley is a bugman. Donkey Kong has taken refuge in his greenhouse and it is now up to him to stop the ape from stirring up any more insects that will soon destroy his flowers.

In SSBM
In SSBM Stanley appears as a trophy it reads:

Stanley is a plucky exterminator who takes on Donkey Kong and an army of insects in the third installment of the original Donkey Kong series. Stanley has a tough job: he has to chase Donkey Kong away to another greenhouse with his insect repellant, then climb up the ivy to pump the main hive with the deadly spray.

Recent Appearances
Stanley hasn't had any new games but Donkey kong 3 has now been released onto Virtual console.