"when ISTP rage, they rage good"
"They're the calm in the storm… until they're not! It truly does take a lot to get the ISTP to rage like the hulk."
Out of all the types, ISTP's have the most explosive anger.
according Personality Database at the time of writing
TMNT Raphael (excluding 2018 & Mutant Mayhem versions)
Mortal Kombat Scorpion Hanzo Hasashi
Doom Doom Guy
Berserk Guts
Marvel Wolverine
Megaman Bass & Zero
Dragonball Z Bardock
Attack on Titan Levi Ackermann
Vinland Saga Bjorn & Thors (ISTP vs ISTP)