You can be as elaborate or as simple as you choose, but pick one way in which the last named character resembles yourself, and then name another.
Obligatory example.
Warrior Guy Gardner
I am like the Juggernaut . . . .
To which my response would be
Lex Joseph Luthor
. . . when i am working. You can either move, or I will plow right through you. The latter option tends to hurt more.
And so! I think I'll start us off with the most obvious of choices cool
I am like Lex Luthor . . .