Chronos, you’re trying, but using punctuation marks to make a name seem alien is the first sign of a bad story. Same with filling it with consonants.
A gurgling noise. It’s name should definitely include a gurgling noise.
BTW, if you’re going for funny, don’t think a bunch of funny sounds make a funny name. Adam’s Ford Prefect is a much funner name than Zaphod Beeblebrox (to those who understand the joke, that is. For American viewers think of the name as “Ford Escort.”).
As a final point, consider the line from Men in Black:
"These are our two Centaurian communictions board operators, Woiebgck and Bob. "
No one laughs as the first name. Everybody laughs at “Bob.”
There’s nothing more annoying (to me) in reading a book and not being able to pronounce the name of a lead character smoothly in your head. It causes a stutter in the flow of my reading as I have to pause to really read it every time it appears.
But maybe thats just me. I’ll rename your character in my head if I can’t read it smoothly, or even just stop reading the story and move on to something else.
Books like Crime & Punishment are a nightmare to read, for me, due to the characters names. I recommend a simple name too, always best.
Anything really weird sounds like you are trying too hard, and have failed. Any relevance or thought involved in the creation of the weird name will be lost on the reader.
Here’s the thing: A name will be either easily pronounceable by humans, pronouncable with difficulty, or unpronounceable. If it’s easily pronounceable, then it’s very difficult to mark it as “alien”. If it’s completely unpronounceable, then the humans who are presumably the protagonists of your story will come up with some other, pronounceable name, probably consisting of a few English words (something like “bugface”, maybe) or a common human name (the alien just calls itself “Bob” to make things easier). This is clearly not what you’re asking for, since you want an alien name, not just a name for an alien.
That leaves the third choice: Something pronounceable by humans, but not easily. How does one write such a name? One either uses atypical combinations of letters, such as a large number of consonants close together, or one uses phonetic symbols for uncommonly-used sounds. Yes, it sounds cliche, because many science fiction authors do it. Many science fiction authors do it because there aren’t all that many good choices.