Aww, I'm so sorry for your loss. I'm quite fond of guinea pigs as I use to raise them when I was younger. Then, when I had my own kids we always had a couple as pets for them. (They even had one named Ziggy!) We have a couple of rabbits instead, now, but I miss that WEET, WEET sound they make!
Stella - sweet, timid, elegant, lovely, lively, amazing
Luna - large, unattractive, naughty, adored