Godzilla KOTM Kaiju four temperaments

Phlegmatic: Godzilla, cause he mostly justs wants to sleep and be left alone

Sanguine: Mothra and Kevin. Kevin is a complete goofball and Mothra is the embodiment of everything sunshine and rainbows

Choleric: Rodan and Right Head. Both are super aggressive and especially violent.

Melancholic: Middle Head. Stoic, Cold, and Calculating.