SCP-4233 is a humanoid creature measuring to up to 2.5 meters long while upright. Said creature wears what appears to be late 19th century diving suit, with a rigid copper helmet with glass viewing window and weighted boots also 4233 seems to be SCP-1233 brother.

Classification: SCP Keter class, Dreadnought

Powers and Abilities: Superhuman physical characteristic, self-sustenance(Types 1,2 and 3; can indefinitely stay inside waters without his diving gear), sound manipulation(His claps can cause sounds that are 122 decibels strong), water manipulation(Caused the water level at an area 5 kilometers around him to rise up in 1.2 meters), resistance to all forms of penetrative electromagnetic   

Attack potency: Wall level(Can walk through walls, logs and vehicles with no issue), possibly higher(should be comparable to his brother)

Speed: Below Average Human

Lifting Strength: Class 1(Can lift an anchor)

Striking Strength: Wall Class

Durability: At least Building level(Unfazed by high-explosions anti-tank munitions, a full broadside shore bombardment from an Iowa class Battleship and surface to surface missiles)

Stamina: High(Can walk for months crossing entire continents without stopping)

Range: Standard melee range

Standard equipment: an anchor

Intelligence: Average

Weakness: None notable