Brain (Earth-16) has appeared 9 times in indexed Justice League stories.
| Appeared As | Appeared In | Notes | Portrayed by | |
|---|---|---|---|---|
| 4 | Villains | Young Justice 1x4 "Drop-Zone" | Identity disguised. Speaks with a French accent. Number and voice artist identified in an Ask Greg answer. | Nolan North |
| 13 | Villains | Young Justice 1x13 "Alpha Male" | Unnamed. A human brain in a jar, speaks with a strong French accent. It/he has been using Kobra Venom to create mutant animals and to enhance the intelligence of others like Mallah, Wolf, and Tawny. � | Corey Burton |
| 13.3 | Villains | Young Justice (vol. 2) #18 (Sept 2012) | Using Kobra-Venom to upgrade gorillas in Africa. | N/A |
| 13.5 | Villains | Young Justice (vol. 2) #19 (Oct 2012) | Was a black-haired "thin man" before Mallah and the Ultra-Humanite put his brain in jar. He wanted "complete freedom from distractions of the physical". | N/A |
| 14 | Villains | Young Justice 1x14 "Revelations" | A brain-in-a-jar. | N/A |
| 19 | Villains | Young Justice 1x19 "Misplaced" | Accepts the Riddler and Sportsmaster's delivery on behalf of the Light. | Corey Burton |
| 23 | Villains | Young Justice 1x23 "Insecurity" | N/A | |
| 26 | Villains | Young Justice 1x26 "Auld Acquaintance" | Helps clear evidence from Cadmus. | N/A |
| 603 | Cameo Appearances | Young Justice Invasion 2x3 "Alienated" | On a monitor while Vandal Savage welcome's Black Manta into the Light. | N/A |