Zeta-Beam designations

Justice League
With the exception of the seven founders of the League, who have designations 01 to 07, these designations indicate the order of the members' induction into the League. For the founders, their designations indicate the order in which they had arrived to battle the first menace that they fought as a group, before the League had even been formed.

01 – Superman
02 – Batman
03 – Wonder Woman
04 – Flash
05 – Green Lantern (Hal Jordan)
06 – Aquaman I
07 – Martian Manhunter
08 – Green Arrow
09 – Hawkman
10 – Hawkwoman
11 – Zatara
12 – Captain Atom
13 – Black Canary
14 – Green Lantern (John Stewart)
15 – Captain Marvel
16 – Red Tornado
17 – Doctor Fate
18 – Atom
19 – Plastic Man
20 – Icon
21 – Red Arrow
22 – Blue Beetle II
23 – Black Lightning
24 – Green Lantern (Guy Gardner)
25 – Zatanna
26 – Rocket
27 – Aquaman II
36 – Steel

Authorized guests
A01 – Lucas Carr
A02 – Catherine Cobert
A03 – Zachary Zatara
A04 – Jason Bard[nb 1]
A05 – Vandal Savage[nb 2]
A06 – John Smith
A07 – Klarion[nb 2]
A08 – John Constantine
A09 – Freddy Freeman
A10 – Mary Bromfield
A11 – Mal Duncan
A12 – Adam Strange
A13 – Blue Beetle III
A14 – Jay Garrick
A15 – Blue Devil
A16 – B'arzz O'oomm
A17 – Eduardo Dorado Jr.
A18 – Virgil Hawkins
A19 – Asami Koizumi
A20 – Tye Longshadow
A21- Volt

Young Justice League
The first three designation numbers indicate the order in which the individual became active as a hero/protégé. B04 and B05 indicate the order of introduction to the other founders. Speedy, later Red Arrow, was given the designation of B06 to indicate his open invitation, which he eventually, though briefly, accepted. B07 and onward indicate the order in which they joined the Team.

B01 – Robin/Nightwing
B02 – Aqualad
B03 – Kid Flash
B04 – Superboy
B05 – Miss Martian
B06 – Speedy/Red Arrow
B07 – Artemis/Tigress
B08 – Zabrina
B09 – Rocket
B10 – Tempest
B11 – Aquagirl
B12 – Troia
B13 – Robin II
B14 – Lieutenant Marvel
B15 – Sergeant Marvel
B16 – Batgirl
B17 – Bumblebee
B18 – Lagoon Boy
B19 – Beast Boy
B20 – Robin III
B21 – Wonder Girl
B22 – Blue Beetle III
B23 – Impulse/Kid Flash II
B24 – Guardian III
B25 – Arsenal
B26 – Static
B27 – Arrowette
B28 – Spoiler
B29 – Thirteen
B30 – Mockingjay

C-series
The C-series was used for the Team's pets, Sphere and Wolf.

C01 – Sphere
C02 – Wolf

G-series
The G-series was created by Dick Grayson without the League's knowledge.

G01 – Brion Markov
G02 – Halo


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