Frankentteo
Frankentteo is a Secret-tier Brainrot character in Steal a Brainrot, appearing exclusively during the Witching Hour event. It resembles Matteo but with distinct Frankenstein-inspired features — green-tinted skin, metal bolts on the neck, and crackling electric energy across its stitches. This fusion of horror and humor embodies the Halloween spirit, appearing on the conveyor belt with a mischievous spark.
Secret brainrot generating $700.0K/second
Randomly available on the central conveyor during the Witching Hour event
How to Obtain
RunwayAvailable for direct purchase from the conveyor.
Available for purchase directly from the central conveyor during the Witching Hour event when it appears, requiring a cost of $175000000 to claim this Secret-tier Brainrot.
Steal from heavily defended bases; requires advanced speed boosts, strategic timing, and high-tier defensive items.
Be present during the Witching Hour and closely watch the conveyor; purchase Frankentteo instantly when it spawns. For stealing, employ advanced tactics with top-tier items.
Mutation Income Calculator
View all mutations at hourly rates
| Mutation | Mult | Income |
|---|---|---|
| Default | 1x | $2.5B |
| Gold | 1.25x | $3.1B |
| Diamond | 1.5x | $3.7B |
| Rainbow | 10x | $25.2B |
| Bloodrot | 2x | $5.0B |
| Celestial | 4x | $10.0B |
| Candy | 4x | $10.0B |
| Lava | 6x | $15.1B |
| Galaxy | 6x | $15.1B |
| YinYang | 7.5x | $18.9B |
| Radioactive | 8.5x | $21.4B |
| Cursed | 9x | $22.6B |
| Divine | 10x | $25.2B |
⚠️Release Status
Released
None; confirmed as a published Secret Brainrot character by developers, introduced in October 2025.
