19.5: Hi.dat

This to That

Cryptic Crosswords: I

Inventor of Goofy is done [6 letters]

For starters, Oliphant was Englishman, not Welshman [4 letters]

Mistakes Were Made

Cryptic Crosswords: II — Phantom Follow Up

A subset of why nympho is running amok [7 letters]

Now What?