Ug

Ug is a caveman ghost who appears as a boss in Luigi's Mansion 3. He is on the ninth floor, which is the Unnatural History Museum and possesses a T-Rex fossil in the museum. Luigi will receive the basement two's elevator button after defeating him. However, Ug doesn't guard the elevator button directly, the Blue Toad has the button. 
Ug serves as the main boss of second/third-to last area of Luigi's Mansion 3, is the fourth/final boss of that area and is overall the tenth boss of the game, he has 400 HP.
==Physical description==
Ug appears to be a yellow ghosts with muscles. His clothing shows that he is similar as a caveman. Ug has a hunched posture, black hair, and red eyes.
==Battle Phase One and Two==
When Luigi enters the museum and tries to save the Toad, the fossil of the Tyrannosaurus Rex comes to life and swallows the Toad's painting. The Tyrannosaurus Rex attacks by spewing sonic waves from its mouth, chomping in point-blank range with his jaws, stomping around and causing rocks to fall after taking one hit or kicking in point-blank range should Luigi be too close, to attack the Tyrannosaurus Gooigi has to be eaten by the T-Rex, when the T-Rex rises its head, Luigi can get an egg from the fossils of pterosaur and shoot the T-Rex's chest. Luigi can also attack by throwing an egg to the T-Rex's mouth, it will try to swallow it and rise its head, Luigi shoot its chest now. After two hits the battle will get into phase two. Phase two is similar to phase one, but the Tyrannosaurus breaks free and Gooigi must sacrifice himself, and Luigi can only fire dinosaur bones at it. The fossil of the Tyrannosaurus Rex will be destroyed after four more hits.
==Phase Three==
During phase three, Ug will reveal himself and use a bone club to smash Luigi. The Player(s) have to wait for him to use the shockwave slam, Luigi has to avoid it by a Burst, now his club will stuck in the ground. This is the chance for Luigi to flash and suck Ug up.
==Trivia==
*Ug is the first and only boss of Luigi's Mansion 3 who doesn't show himself during the start of the battle.
*Ug is also the first and only Main Area Ghost Boss of Luigi's Mansion 3 to start off the fight in a Possession Item in the first phase, then fight as a traditional ghost form in the second phase, were as both Amadeus Wolfgeist and Captain Fishook spend most of their fights as a possess form, and Hellen Gravely has no posses form.
==Gallery==
T-Rex.png|The Tyrannosaurus coming to life.
Free T-Rex.png|The Tyrannosaurus breaks free.
Ug.png|Ug reveals himself.
de:Steinzeit-Rex
fr:Grut
Category:Ghosts
Category:Bosses in Luigi's Mansion 3
Category:Characters in Luigi's Mansion 3