For whatever reason - copyright maybe? That classic Rockman sound hasn't been on any of the amp modelers I've owned, including the Eleven Rack. I know the Rockman tone is a bit dated, but so are many other popular modeled sounds.

It's amazing how many songs, even pop songs, used the Rockman back then.

I actually still have my Rockman X100. It's not in perfect condition, but it sure sounds great.

The Def Leppard recorded guitars are layered very thickly, but a Rockman would get close; even on the clean sounds, like the arpeggiated chords in Love Bites.

I would suggest a modest distortion with tight compression and a touch of chorus.