Comic Title: Flash #177
Publisher: DC (National Periodical Publications, Inc.)
Address: 575 Lexington Avenue, New York, NY
Cover Date: March 1968
On Sale Date: January 18, 1968 Newsstand Date January 18, 1968
Source: House Ad, Batman #200, Page 30

Newsstand Date January 18, 1968
Source: Direct Currents, Teen Titans #14, Page 31

Copyright Date January 18, 1968
Source: Library of Congress, Periodicals 1968

Frequency: Monthly, with the exception of Jan., July, & Oct.
Cover Price: $0.12
Page Count: 32
Circulation: 267340
Editor: Julius Schwartz

Title: "The Swell-Headed Super-Hero"
Pages: 23

Feature(s):
Flash (Barry Allen of Earth-1)

Writer: Gardner F. Fox
Penciller: Ross Andru
Inker: Michael Esposito

Reprinted In:
Showcase Presents:The Flash Vol. 4 TPB (2012)
Flash:The Silver Age Omnibus Vol. 3 HC (2018)

Feature Character(s)

• Flash (last appearance in Justice League of America #60; next appearance in Justice League of America #61)

Supporting Character(s)

• Iris Allen (last appearance in Flash #176; next appearance in Flash #179)

Villain(s)

• Trickster (last appearance in Flash #152; next appearance in Flash #209)
• An unnamed killer (dies in this story; no further appearances)
• A gang of thieves (no further appearances)

Other Character(s)

• Mister Mynah (Trickster's pet bird; no further appearances)

Synopsis:
After solving a locked room mystery, Barry Allen becomes a braggart. Then, as the Flash, Barry's head really swells as a result of a new weapon created by the Trickster. Flash's giant head causes him headaches and is in danger of bursting. The Trickster tries to pop the head like a balloon during their fight, but the Flash just passes out.

Trickster brings Flash back to his hideout, then continues the fight when the Scarlet Speedster regains consciousness. The Trickster tried out his head swelling weapon on a pet bird before using it on the Flash. He also perfected a cure by exposing the bird to radiation. When Flash nears the bird, the residual radiation temporarily stops his headache. He is then able to overcome the Trickster. Flash then analyzes the bird and uses a larger dose of radiation to permanently cure his swell-headed condition.