Alongside developers from other game studios, he created a card for , titled "Chasm Skulker". Thus "Dun an Sticir" means Fort Skulker. It is altitudinally segregated from the red-capped robin-chat, and is less of a skulker. In the episode "Girls' Night Out" she is shown to be dating Skulker. Skulker is actually a tiny green ghost inside a robotic suit. Skulker introduces himself to Danny as the "Ghost Zone's greatest hunter". Skulker was an ARIA Award-nominated rock band from Sydney that formed in 1994.