The Crawler Excavator components include a major crawler chassis, rotor support, the central swivel joints, turntables, the device weight, the panel, cab and air-conditioners.
Marion also designed and built the NASA Crawler-transporter used to transport both the Saturn V rocket and later the Space Shuttle to their launch pads at the Kennedy Space Center, Florida.
The Clusterpoint Search Appliance software package includes Crawler, Web server, high speed scalable document-oriented database, management application and customizable web-GUI based search application.
One of the professors who teaches at the university is named "Dr. Romita," a clear nod to artist John Romita, Sr. or possibly his son, artist John Romita, Jr. The Marvel Comics character Spider-Man is also referenced at one point, when Kalvin tells Katie that as a child he wanted to grow up to be the wall-crawler.
Izuna is a dungeon crawler game with randomly generated dungeons, much like the Mystery Dungeon series.
Tsurani gem smugglers led by The Crawler and traitors to the crown are all plotting the fall of the Kingdom of the Isles.
In 2013 Norconex released its first contribution to the open-source community with its HTTP Web crawler (named Norconex HTTP Collector).
Many large events take place on the trail, ranging from Jeep-only events (Jeep Jamboree) and 4x4 enthusiast events (Jeepers Jamboree, TLCA's Rubithon, Marlin Crawler Round-Up) to family trips to special events organized just for SUVs and stock 4x4s that could not otherwise complete the trail.
Another Marvel Comics character, Doctor Strange is included in the novel as a figure from whom the wall-crawler seeks assistance.
He would later defeat Spider-Man in one-on-one combat after being enlisted to battle the wall-crawler as part of the Acts of Vengeance conspiracy; it was only through merest quirk of fate that Spider-Man even survived the battle.