Gaggolplex is also called hectataxia-taxis by Sbiis Saibian, and it's equal to E1#1#gaggol = E1#1#100#2 in Hyper-E notation. It's also called gaggolthrex by Aarex Tiaokhiao. Username5243 calls this number toogolplex or toogoltrex, and it's equal to 10[3]10[3]100 in Username5243's Array Notation.