He appeared in Showcase # 100 , along with all the other characters who had appeared in the previous 99 issues .
After his appearance in Showcase , Farrell was occasionally included in cameo appearances in other DC titles .
Farrell appeared in Showcase # 100 , along with all the other characters who had appeared in the previous 99 issues .
After his appearance in Showcase , Farrell was occasionally included in cameo appearances in other DC titles .