Toybox Values

Jack O' Lantern Pet trait: 4.5x multiplier, source and stacking

Jack O' Lantern Pet adds 4.5x to a brainrot's multiplier, next to its mutation. It is a seasonal trait, from Events.
By multiplier it is number 25 of 105 traits with a known multiplier, where 1 is the highest.
Data checked: Oct 15, 2026

Formula follows the wiki's worked examples. Not verified in game.

Jack O' Lantern Pet trait facts

Multiplier4.5x
Applied asadded to the mutation multiplier
Wiki listseasonal trait / Halloween
Comes fromEvents
Applied toBrainrots walking on the map
Rank by multiplier25 / 105

The wiki names Events as where Jack O' Lantern Pet comes from. The wiki says it is applied to brainrots walking on the map. It sits under Halloween in the wiki's seasonal trait list.

Stacking Jack O' Lantern Pet on a $65M/s brainrot

SetupMultiplierIncome
Default + Jack O' Lantern Pet5.5x$357.5M/s
Default + Jack O' Lantern Pet twice10x$650M/s
Gold + Jack O' Lantern Pet5.75x$373.75M/s
Cyber + Jack O' Lantern Pet15.5x$1.0075B/s
Cyber + Jack O' Lantern Pet + Fire20.5x$1.3325B/s

The example brainrot is Ventoliero Pavonero, the one the wiki uses on its Mutations page. Multiplier = mutation + traits; income = base x multiplier.

Nearby traits

All mutations and traits · Calculate with Jack O' Lantern Pet

Questions

Does the Jack O' Lantern Pet trait stack?

The wiki says Jack O' Lantern Pet can appear several times on one brainrot, and each copy adds 4.5x next to the mutation. On a Default $65M/s brainrot one copy gives 5.5x ($357.5M/s) and two copies give 10x ($650M/s). Not verified in game.

How do I get the Jack O' Lantern Pet trait?

The wiki names Events as where Jack O' Lantern Pet comes from. The wiki says it is applied to brainrots walking on the map. It sits under Halloween in the wiki's seasonal trait list.

How does Jack O' Lantern Pet compare with other traits?

At 4.5x it is number 25 of 105 traits with a known multiplier. The next higher one is 26 (5x). The next lower one is Santa Hat (4x).

Source: Steal a Brainrot Wiki: Traits/Seasonal (rev 178699, Sep 5, 2026), Module:Trait (rev 178695, Sep 5, 2026), Template:BrainrotFormula (rev 161404, Jul 9, 2026). Licence: CC BY-SA 3.0. Facts were restructured and the numbers recalculated here; the text is our own and no wiki images are used. Changes were made. Checked Oct 15, 2026. Not affiliated with Roblox Corporation or the developers of Steal a Brainrot.