Hey! It’s Lyssa! And the Pirates! From The Adventures of Lyssa and the Pirates!
That thing coming through the discombobulationotron is Caliban, a real Green Demon. You may remember how Stephanie feels about Green Demons from this page.
Everybody else will be introduced in the next couple of strips. Stay tuned!
UPDATE: Here’s Allen’s (that pirate guy behind Lyssa) first introduction to Caliban, courtesy of Miranda (with the black hair):