Reference drawing I made for the first line of Kaiju Robot Numbers (KRNs) are Robot Masters based on various kajius from Godzilla, Gamera, Ultraman and more

List of them in order;
KRN-KG: Kong Man
KRN-001: Godzilla Man
KRN-002: Anguirus Man
KRN-003: Rodan Man
KRN-004: Mothra Woman
KRN-005: Ghidorah Man
KRN-006: Gigan Man
KRN-007: Megalon Man
KRN-008: Baragon Man
KRN-009: Caesar Man