Materials

Bunsen Comics por Jorge Pinto
http://www.heroeslocales.com/bunsen/

Fonts:
Creative Block BB by Blambot
http://www.blambot.com/

Kid Cobalt by Iconian Fonts – Daniel Zadorozny
http://www.iconian.com/

Fantasti-font by Sean Kleefeld
http://www.fontspace.com/sean-kleefeld

Caracteres by Frank Rausch
http://simplythebest.net/fonts/fonts/caracteres.html

Dictionary – book form
Larousse Spanish-English English-Spanish Pocket Dictionary, 1997.

Dictionaries – online
http://www.spanishdict.com/

http://www.wordreference.com/

http://www.press.uchicago.edu/Misc/Chicago/spanishdictionary/suffixes.html

http://www.languagerealm.com/spanish/spanishslang.php
(helpful, not corny like so many slang dictionaries out there)

http://argentineslang.wordpress.com/
Hmm. Haven’t used it for Bunsen, but will list it anyway since I checked it at least once for Twitter.