Type-12VZ Sea Tyrant

"The Type-12VZ Sea Tyrant, aka the VZ-01 Sea Tyrant, is a prototype mutant mermaid that would serve for the South Vietnamese Umbrella Forces in service for Nguyen Van Thieu. That's a prototype mermaid version of Type T-002 Model Tyrant of course, and Cala Maria should defeat it."

--Su Ji-Hoon, The Dark Creature of the Sea

The Type-12VZ Sea Tyrant (codenamed : VZ-01 Sea Tyrant) is the prototype mutant mermaid of South Vietnamese Umbrella Forces and was the first mutant mermaid deployed in during Nguyen Van Thieu's rule. And was the prototype mermaid version of Tyrant (T-002 Model).

It will be upgraded hybrid mutant and based on Tyrant (T-002 Model) have mermaid tail,which based on giant mermaid of Inkwell Isle like Cala Maria. Also,this mutant will be female tyrant (even as mermaid tyrant),unlike male Tyrant like other Tyrants that it become giant version of ifself in sea if in naval battle.

Unlike Cala Maria,it haven't medusa mode and octopus hair that it only being mutanted and have black hair,which can deployed to destroy all of Rubyists and infect other enemies with use melee attack

Only costing an WhiteKnight Virus,a dead female Tyrant T-002 Model (died by other heroes attack,which ARVN collected this corpse) and 25 South Vietnamese Mermaid Generators that it will be medium cost it,which was born from a ARVN Biohazard base in Inkwell Isle Four.

It will be died by giant mermaids of who are Grand Alliance's allies, the S.T.A.R.S, Su Ji-hoon and the Preschool Girls, and even Leon and his allies can kill it if they needing assist of other mermaids and sea creatures.