All the consonants of the english alphabet are: B, C, D, F, G, H, J, K, L, M, N, P, Q, R, S, T, V, W, X, Y, Z

So. there are a total of 21 consonants.

The number of consonants whose images look like them are: H, M, T, V, W, X and Y

Therefore, there are a total of 7 such consonants.

Hence, the number of consonants whose images do not look like them = $21 - 7 = 14$