Complex sentence: Skywald also produced two issues of the magazine "Hell-Rider", featuring a vigilante motorcyclist with a flame-thrower-equipped bike, created by Gary Friedrich, who would go on to co-create the Marvel character Ghost Rider.
Split into simpler sentences: Skywald also produced two issues of the magazine "Hell-Rider", featuring a vigilante motorcyclist with a flame-thrower-equipped bike. The character was created by Gary Friedrich, who would go on to co-create the Marvel motorcyclist Ghost Rider.