A susgod is a person who everyone is fond of but a little afraid of. They're typically very personable and funny but there's something slightly off about them that confuses people. They still have friends though a susgod rarely ever has a Significant other until adulthood.
A hardo is a person who tries extremely hard at everything. Most times a hardo will try very hard at things that do not require excessive effort. For example, sports practices, gym class, etc.
Wow did you see Jack at practice today? What a hardo!