What is "hon"?

Does a verb after "comfortable" always take -ing form i.e. "comfortable putting" instead of "comfortable to put"?

Almost always, verbs that come after "comfortable" are "-ing" verbs. However, there are exceptions to most grammar rules in English, so there could be some verbs that come after "comfortable" that aren't "-ing" verbs. Ex: I’m not comfortable speaking in front of an audience. Ex: I feel comfortable being with you.

Can I say "return" instead of "give back" in this kind of context?

I can see why you'd think that! However, it doesn't quite suit the meaning or tone in this context. "Return" is much more formal and polite. And since the Pokemon are held captive, "return" implies that the Pokemon willingly went or were allowed to go for a certain period of time- rather than being held captive. Ex: Hey Norris! Thanks for looking after my dog this week. You can return him to me tomorrow. Ex: Thanks for letting me borrow your game. I'll return it this weekend! Ex: Please, return your rock climbing gear before you leave the gym. Ex: Give me back my cell phone! I never said you could use it.

Why would you use Capitalized letters for desert storm? Is it a proper noun?

"Desert Storm" is a proper noun, it is the name of an operation (Operation Desert Storm). Thus, it must be capitalized following the capitalization rule for proper nouns. On their own, "desert" and "storm" do not need to be capitalized. Ex: Hurricane Katrina was one of the most devastating natural disasters in recent history. Ex: There is a storm coming this weekend.

What does he mean by "I'll flip you for it"? Is that a common expression?

Yes, this expression is commonly used when making a bet through a coin flip/coin toss. Another similar expression is "I'll bet you for it," and this can be used in betting situations outside of coin flips/tosses as well. Ex: Who's paying for dinner? I'll flip you for it. Ex: Wanna make a bet for lunch? Whoever yawns first during the meeting today is the loser.

What is "fudge"?

"Fudge" is a soft candy made from butter, sugar and milk. It comes in many different flavors but the most common flavor is chocolate, so the word "fudge" is often used for chocolate things. Fudge originates in the United States and used to be a very popular dessert but plain fudge is less popular now.