Ch'rell was Former General to Ultron high council one day when Krang Prime rebelled he rejected her by saying "am justice" he himself modelled his armor after Musashi Miyamoto he himself is rogue for both the egocentric hivemind Woman that is Krang Prime or The stiff passive Queen he himself adapted human idenity of Zetsbou Kira and became a arms dealer he himself uses Ultronian tech to detect psychic link thanks to this he learned of April existence Chrell doesn't know anything about Shreeder.