What characters are believed to be mutants but never confirmed in print?

[Lonewolf36]

Asp (Cleopatra Nefertiti)
She has been speculated as being a mutant for years.

Chat (Sophia Sanduval)
Her Earth-20051 counterpart is a mutant but she has shown no powers in her few appearances.

Death Reaper
The daughter of Nekra Sinclair is a possible mutant with Darkforce controling powers that also posseses mystical abilities.

Profile
A Moon Knight villain that has been speculated to be a mutant.

Proton (Geldoff)
His Earth-1610 counterpart has the same abilities an is a confirmed mutant.

Radiance (Ryoko Sabuki)
Her deceased sister Goldfire had the same abilities and was confirmed a mutant.

Tangerine
Her Earth-811 counterpart is a confirmed mutant.

Voice (Jason Cragg)
Has been stated to possibly be a latent mutant whose powers were activated by ionized atoms.