Mordred is a homunculus baby thing made by Morgan using sperm from Artoria during that unfortunate time Merlin literally gave her the D, not in the way you might usually think.

Salter is just Artoria being infected by grail mud.

They are actually different people.

Beast III reuniting I see

That IS Summer Okita, so....

This pic is an example why tackle hugs are a hazard.

Salter taking "go fuck yourself" a little too literal.

That's a really big pinky toe on that right foot/