The Internet will often make something of nothing… But…:

• We never see Ash’s father
• Ash’s mom keeps a Mister Mime at home
• Ash’s mom never expresses any sentiment about Ash’s missing father
• Ash’s mom frequently expresses general non-specific appreciation for Mr Mime.

So I figure we shouldn’t jump to conclusions, but we also shouldn’t judge Ash if he has any theories…

Now, that I remember ( ͡° ͜ʖ ͡°)