Here is Generation 1 OPTIMUS PRIME!!!
Step 1 Get te ASI Loader and Skript Hook http://www.dev-c.com/gtav/scripthookv/
Step 2 http://openiv.com/ and install 
Step 3 Get the Ped Add On https://www.gta5-mods.com/scripts/addonpeds-asi-pedselector
Step 4 Create a Mod Folder in the GTAV Directory and copy update there 
Step 5 Open IV and go to the Ped C:\Grand Theft Auto V\mods\update\x64\dlcpacks\addonpeds\dlc.rpf\
Step 6 Click on the AddonPedsEditor.exe and place the Name of the Character there and rebuild 
and your Done thanks for Playing More Peds and Automobiles to Come 