Key Collector Comics

Cartoon Network

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Cartoon Cartoons #1
DC ⋅ 2001
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Cartoon Cartoons #1
 
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$1
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$5
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$15

Key Facts

1st appearance of Ed, Edd, Eddy in a standard comic book

1st appearance of Courage the Cowardly Dog in a comic book

Cartoon Network Presents #1
DC ⋅ 1997
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Cartoon Network Presents #1
 
Low
$2
Mid
$8
High
$20

Key Facts

1st appearance of Dexter's Laboratory in a comic book

Cartoon Network Starring #2
DC ⋅ 1999
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Cartoon Network Starring #2
 
Low
$1
Mid
$2
High
$8

Key Facts

1st appearance of Johnny Bravo in a standard comic book

Adventure Time #1
BOOM! ⋅ 2012
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Adventure Time #1
 
Low
$3
Mid
$9
High
$30

Key Facts

Based on the cartoon of the same name that ran from 2010 until fall 2018

🥈 Runner-Up: New High [Previous High]

October 2023: Adventure Time showrunner Adam Muto recently teased the possibility of rebooting the franchise sometime in the future which may lead to renewed interest in this often overlooked modern animation Key Issue

Cartoon Network Starring #1
DC ⋅ 1999
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Cartoon Network Starring #1
 
Low
$5
Mid
$18
High
$70

Key Facts

1st team appearance of the Powerpuff Girls in a standard comic book

Cartoon Network Presents #6
DC ⋅ 1998
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Cartoon Network Presents #6
 
Low
$1
Mid
$2
High
$10

Key Facts

1st appearance of Cow and Chicken in a standard comic book

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