Ivan is a great person and friend. He's funny, kind, smart, reliable, and someone you can always talk to. You'll never get bored of hanging out, and can always have fun whenever and wherever! He's irreplaceable and you'll never find anyone who is remotely close to how awesome Ivan is.
The term "Ivan" can be used to refer to russian people. Most specifically refers to russian nationalists or Soviet soldiers since it originated back in WWII to describe the soldiers—as it's the russian equivalent of the name John (but it's also a generalized term used on a russian person).
Those Ivans are always hanging in that corner and I know they're up to sum'