Dr. Letz Shake

Dr. Letz Shake was first seen in the video game No More Heroes, and was going to be a boss fight, but Henry interupted the fight and killed Letz Shake. He's a giant robot that's being controled by a human brain. Dr. Letz Shake somehow survived and seeked revenge on Henry before No More Heroes; Desperate Struggle even began. Just when Travis is going to a Battle Royal, Dr. Letz Shake killed all your oppenents. He revealed to Travis that he easily defeated Henry. The good doctor doesn't laugh or says any questions, instead he says the words question mark, devilish laugher, etc.

The Boss Fight Itself
Before the fight begin Travis says the's not going to kill him because of Henry, he was going to kill him because his big metal ass was in his way. Dr. Letz Shake produces earthquakes at random speed. Travis has to choose whether to stay on a platform that isn't effective to the earthquakes or go after the docter. These earthquakes are so powerful that it can take half you health away. He also shoots laser out of his sides. After the battle Tavis stabs Dr. Letz shake's brain and makes it explode. Henry somehow survived. This makes Travis rank go up from the 23th assassin to the 10th ranked assassin Shinobu showed up after that telling her story.