<Tr> <Td> The Atom </Td> <Td> Ryan Choi </Td> </Tr> <Tr> <Td> Vixen </Td> <Td> Mari McCabe </Td> <Td> Co-Founder and former member of the Justice League of America II; Active in the Justice Foundation and as a reserve member in the main Justice League; former member of the Justice League International </Td> </Tr> <Tr> <Td_colspan="2"> Mera </Td> <Td> Justice League Vol. 3 #24 </Td> <Td> Former member of the Justice League United </Td> </Tr> <Tr> <Td> Green Arrow </Td> <Td> Oliver Queen </Td> <Td> </Td> <Td> Active as a reserve member; Former member of the Justice League United </Td> </Tr>

Who is the founding member of the justice league