Burt the Bashful

Burt the Bashful is the first mid-boss of the video game Super Mario World 2: Yoshi's Island for the Super Nintendo and as well as it's Game Boy Advance remake, ''Super Mario Advance 3: Yoshi's Island. He appears again as a boss in Yoshi's Woolly World for the Wii U, and also appears in the Super Mario-Kun ''manga series.

Super Mario World 2: Yoshi's Island
Burt the Bashful is the boss of level 1-4, Burt the Bashful's Fort. At the end of the level, Yellow Yoshi first encounters him as just a normal Burt, which Kamek sizes up with his magic, turning it into Burt the Bashful. Burt has no attacks expect for jumping around the room and damaging Yellow Yoshi if he comes into contact with him. Yellow Yoshi must hit him with an egg six times to defeat him, which are provided by the Egg-Plant in the center of the room. After each hit, Burt the Bashful's pants will fall of more and more until they fall off completely on the sixth hit, causing Burt to turn red in shame and and eventually implode.

Yoshi's Island DS
Although Burt the Bashful doesn't appear as a boss in the game, he makes a cameo appearance at the beginning of the intro along with all the other bosses from the first game. Also, the first mid-bosses of the game, the Burt Brothers, are similar to Burt the Bashful.

Yoshi's Woolly World
Burt the Bashful appears again in this game as the boss of level 1-8, Burt the Bashful's Castle. This time around, the fight against him has three phases. The first one merely involves him jumping around much like in the first Yoshi's Island, but he will also sometimes summon Shy Guys to help him. In order to damage him, Yoshi has to first stun him by hitting him with a yarn ball, and then use his tongue to unravel his pants his pants at the string. After Yoshi does this once, Burt will advance into his second phase, in which he will bring out two ball look-a-likes of himself, which will bounce around and can hurt Yoshi. His third phase is similar to the second one, expect he will now get a third and fourth ball and summon three Shy Guys. Once Burt's pants are completely unraveled, the battle is over.

Super Mario-kun
In the fourteenth volume of the manga, which is based on Super Mario World 2: Yoshi's Island, Burt the Bashful is the first boss encountered by Mario, Luigi and Yoshi. Mario and Yoshi try to attack him, but both end up failing. An Egg-Plant tries to assist them by providing them with Yoshi Eggs, but they simply bounce off of Burt. Mario, Luigi and Yoshi then grab and pull down Burt's pants, exposing his private parts. He then turns red of shame and flies away like a deflated balloon.

Trivia

 * Burt the Bashful makes a cameo appearance in the board game Nintendo Monopoly.
 * Excluding Baby Bowser, Burt the Bashful is one of only two bosses from the original Yoshi's Island game to make an appearance in Yoshi's Woolly World, the other one being Naval Piranha.