| Expert Mode-Only Content: This information (or parts of it) applies only to Expert mode and Expert mode worlds.
Cool Blue Dudes
The Bleu Blob is a craftable Expert Mode-exclusive pet summoning item. It summons a small blue Signus and Slime God Core to follow the player.
- The item can also be obtained from the Starter Bag if the player is named "caligulasAquarium" or "caligulas".
- The item is a reference to the web series Calamity Paint.
- The cool blue dudes refer to the file name of episode 72's thumbnail "Cool Blue Dudes.png" which feature a heavily distorted Signus and Slime God with a blue overlay.
- The various uses of the number 72 in the item's recipe are a reference to the episode of the thumbnail being episode 72.
- The word "coul" is a reference to a Discord emote of the same name formerly used frequently by the Calamity Paint community.
- The word "bleu" is a reference to a former member of the same name from the community.