Plus, when she does open her eyes, it lets the reader know that what she is looking at is very important. And all of those are kind of true for Whisper. In comics and animation, eyes that can see while appearing closed can be shorthand for a few things, including indicating that a character is wise, that they are constantly keeping a close eye on everything, or that a character is dealing with a lot of emotional pain. The reason why Whisper's eyes almost always appear closed is for expressing her emotions. After seeing the mask concept, Ian Flynn had the idea of making it a sniper scope and a Wisp communication device, which instantly clicked. The idea for her mask came from the Kabuki mask Costume piece that the Avatar could wear in Sonic Forces (which was one of Evan Stanley's favorite Costume pieces), and Stanley thought a similar mask would fit Whisper's personality. Whisper's mask is inspired by Japanese Kabuki masks.

She also had a more ostentatious costume and she did not originally have her iconic mask. Whisper's early designs were somewhat different than the final version however. Whisper's overall design is derived from one of the many models the female wolf Avatar from Sonic Forces could assume.

Inspiration for Whisper came from Sniper Wolf from the Metal Gear series, the Major from Ghost in the Shell and Kopaka from Bionicle. The Avatar model that inspired Whisper, from Sonic Forces. Whisper was conceptualized by writer Ian Flynn, while artist Evan Stanley took care of the character's design. 3.12 Another Grand Adventure for Jet the Hawk.

Sonic female characters