I had been looking for a VERY long time to seek all the versions in which the nextbots were first added here, and so what i have known throughout the history of this addon:

V2.5
- Bikit Bestors
- Corruptud Booz
- Corruptud Spong Bohb Skware Pahnts
- Corruptud Woodee
- Reed Mest
[5 Total]
- [1 Nextbot]
- [4 PNG]

V3
- DME
- Doiwon
- Gomboll
- Gre
- Hoart
- Indermen
- Knackles
- Ligumen
- Locos
- Momium
- Mooles Telalos
- Noss
- Sinic
- Taels
- Towuh Tahew
- Vorder
[16 Total (Nextbot)]

V3.5
- Fergatton Bikit
- Green Guy
- Jaray.PNG
- Sinic.PNG
- Taels.JPEG
[5 Total]
- [1 Nextbot]
- [4 PNG]

Unknown (V1 - V2)
[31 Total]
- [29 Nextbot]
- [2 PNG]

So from this point on, I am looking for answers from the community to find out who came out during the first to second version of this addon, so maybe Elias can probably help me, but im leaving this mostly for the community to find out, good luck everyone and have a swell rest of your day.