Ron Frenz has drawn for Marvel since the early 1980s. He started out with such titles as 'Ka-Zar the Savage', 'The Further Adventures of Indiana Jones', 'Star Wars', 'Marvel Saga' and 'Amazing Spider-Man'. In the 1990s, he did such mini-series as 'Thunderstrike', 'Hercules and the Heart of Chaos' and 'Spider-Man: Revenge of the Green Goblin'. He had regular jobs on 'The Mighty Thor' and 'Superman'. Frenz has worked on 'Spider-Girl' since 1998, and became the title's regular artist in 2003. That same year, he also joined Future Comics to do 'Freemind'.