Professor Codex

Professor Codex was the hidden main antagonist of the PopCap video game, Bookworm Adventures. He appears after the events of the online version of Bookworm Adventures. Professor Codex is an anthropomorphic stork who uses the Magic Pen.

Pests in the Great Library
Professor Codex orders Lex to get rid of all the literature characters causing havoc in the library. After Lex faced his final enemy Odin, Codex possibly thanked him for doing so.

Cassandra in Distress
Professor Codex hears a message from Cassandra the Oracle. He convinces Lex that the speaker needs help, because she is captured by Medusa. He uses his secret weapon to bring him to the first book.

After rescuing Cassandra
After Lex defeated Medusa, the worm meets Professor Codex back in the library. Codex says that it was Dracula being the thief who stole Cassandra. He sends him to a book entitled, "Arabian Nights".

After getting the Scimitar of Justice
Lex sees Codex being transported to Dracula's Castle. He is able to follow him before the book closes.

After Dracula is Defeated
Lex talks to Professor Codex that he stormed Dracula's Castle. Codex says that he doesn't have time to rescue Cassandra. However, it is revealed Codex is brainwashed by Dracula. Back at the library, Lex was able to defeat Codex by using his last words against him. Codex is trapped in the Magic Pen.

Battle
Professor Codex is the final boss in the game. The beasts he will summon are Cerberus, Medusa, Shaitan, and a werewolf. All four have ten hearts, but more powerful. Codex is deadlier to defeat, because the player must have enough potions. The boss is immune to three to four letter words.