I have one who hasn't changed in 9 years, and one who hasn't changed in over a decade. The 9-year one- I once had a collection of around 10k empty buckets, but recently filled and sold them. I had over 7k pink skirts, as well. The decade+ one- Completed Dragon Slayer at level 40ish, wearing Mithril armor with only a few lobsters and low prayer level. It's probably not too impressive now, but it earned me a lot of praise at the time.