There is no official phobia name for the fear of vipers. However the official phobia name for the fear of snakes is ophidiophobia.
There is no official phobia name for fear of the alphabet.
The fear of buttons is called Koumpounophobia.
Ice cream phobia, or the fear of ice cream, is yet to be given an official name. However, there is such a thing as cryophobia, or a fear of cold.
The phobia name for the fear of monkeys is Cynophobia.
The phobia name for the fear of the unknown is called Xenophobia.
Strangely, yes, there is an irrational fear of being too happy. The name of this phobia is Cherophobia.Generally people with the phobia fear being too happy because they are worried something tragic will happen as a result of their over-happiness.
Mnemophobia is the name of the phobia related to the fear of memories
Carnophobia is the name of the phobia related to the fear of meat
Hylephobia is the name of the phobia related to the fear of materialism
Gamophobia is the name of the phobia related to the fear of marriage
Mechanophobia is the name of the phobia related to the fear of machines
Melophobia is the name of the phobia related to the fear of music.