User blog comment:Canopenerdude/What do you mean you don't know this?/@comment-24.29.87.3-20130328191738

ability power carry: apc

attack damage carry: adc

Pantheon: Pan

(when played in mid lane) Blitzcrank: Midcrank

Amumu: Mumu

Gangplank: GP

Dr. Mundo: Mundo, Dr, or The Dr.

Veigar: Vei or Veig

basically the first syllable of any multisyllable name can be used as a nickname, discounting Anivia because Ani and Annie are too close