[8] During the Pan Arab games held in Amman, Emad published a cartoon which pointed out the irony that a nation could be proud when it allowed honor killings to continue.

[10] On 26 August 2020, Emad was arrested in Jordan under the cybercrime law after publishing a caricature criticising the Israel–United Arab Emirates peace agreement.

[11] The drawing depicted a UAE political leader, the crown prince of Abu Dhabi, holding a white peace dove on which is painted the Israeli flag.

[13] Hajjaj created the cartoon character Abu Mahjoob (Arabic: أبو محجوب) in 1993, and has gained in popularity in Jordan since then.

Emad Hajjaj first drew Abu Mahjoob in 1993 as a character who hung candidate posters in the Jordanian parliamentary election that year.